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625355472 = 243717109481
BaseRepresentation
bin100101010001100…
…010101011010000
31121120201100102210
4211101202223100
52240042333342
6142015312120
721332301540
oct4521425320
91546640383
10625355472
112a0aa6905
1215551b640
139c735831
145d0a7320
1539d7a79c
hex25462ad0

625355472 has 80 divisors (see below), whose sum is σ = 1954910592. Its totient is φ = 168161280.

The previous prime is 625355461. The next prime is 625355473. The reversal of 625355472 is 274553526.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 625355472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625355473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49029 + ... + 60452.

Almost surely, 2625355472 is an apocalyptic number.

It is an amenable number.

625355472 is an abundant number, since it is smaller than the sum of its proper divisors (1329555120).

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

625355472 is a wasteful number, since it uses less digits than its factorization.

625355472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109516 (or 109510 counting only the distinct ones).

The product of its digits is 252000, while the sum is 39.

The square root of 625355472 is about 25007.1084294046. The cubic root of 625355472 is about 855.1500355696.

The spelling of 625355472 in words is "six hundred twenty-five million, three hundred fifty-five thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 17 21 24 28 34 42 48 51 56 68 84 102 112 119 136 168 204 238 272 336 357 408 476 714 816 952 1428 1904 2856 5712 109481 218962 328443 437924 656886 766367 875848 1313772 1532734 1751696 1861177 2299101 2627544 3065468 3722354 4598202 5255088 5583531 6130936 7444708 9196404 11167062 12261872 13028239 14889416 18392808 22334124 26056478 29778832 36785616 39084717 44668248 52112956 78169434 89336496 104225912 156338868 208451824 312677736 625355472