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625072896 = 2833712919
BaseRepresentation
bin100101010000011…
…101101100000000
31121120011222211000
4211100131230000
52240004313041
6142005252000
721330013650
oct4520355400
91546158730
10625072896
112a0923578
12155404000
139c667026
145d032360
1539d21bb6
hex2541db00

625072896 has 144 divisors (see below), whose sum is σ = 2112678400. Its totient is φ = 178578432.

The previous prime is 625072891. The next prime is 625072901. The reversal of 625072896 is 698270526.

625072896 is a `hidden beast` number, since 62 + 507 + 2 + 89 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (625072891) and next prime (625072901).

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×6250728962 = 781432250627653632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (625072891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41925 + ... + 54843.

Almost surely, 2625072896 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 625072896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1056339200).

625072896 is an abundant number, since it is smaller than the sum of its proper divisors (1487605504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

625072896 is a wasteful number, since it uses less digits than its factorization.

625072896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12951 (or 12931 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 625072896 is about 25001.4578774919. The cubic root of 625072896 is about 855.0212121546.

The spelling of 625072896 in words is "six hundred twenty-five million, seventy-two thousand, eight hundred ninety-six".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 54 56 63 64 72 84 96 108 112 126 128 144 168 189 192 216 224 252 256 288 336 378 384 432 448 504 576 672 756 768 864 896 1008 1152 1344 1512 1728 1792 2016 2304 2688 3024 3456 4032 5376 6048 6912 8064 12096 12919 16128 24192 25838 38757 48384 51676 77514 90433 103352 116271 155028 180866 206704 232542 271299 310056 348813 361732 413408 465084 542598 620112 697626 723464 813897 826816 930168 1085196 1240224 1395252 1446928 1627794 1653632 1860336 2170392 2441691 2480448 2790504 2893856 3255588 3307264 3720672 4340784 4883382 4960896 5581008 5787712 6511176 7441344 8681568 9766764 9921792 11162016 11575424 13022352 14882688 17363136 19533528 22324032 23150848 26044704 29765376 34726272 39067056 44648064 52089408 69452544 78134112 89296128 104178816 156268224 208357632 312536448 625072896