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672653072 = 247132391933
BaseRepresentation
bin101000000101111…
…101111100010000
31201212201022112202
4220011331330100
52334144344242
6150425142332
722445312450
oct5005757420
91655638482
10672653072
11315771233
1216932a9a8
13a9485b90
1465499d60
153e0be932
hex2817df10

672653072 has 80 divisors (see below), whose sum is σ = 1611563520. Its totient is φ = 264854016.

The previous prime is 672653017. The next prime is 672653083. The reversal of 672653072 is 270356276.

It is a super-3 number, since 3×6726530723 (a number of 27 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 347018 + ... + 348950.

It is an arithmetic number, because the mean of its divisors is an integer number (20144544).

Almost surely, 2672653072 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 672653072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (805781760).

672653072 is an abundant number, since it is smaller than the sum of its proper divisors (938910448).

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

672653072 is a wasteful number, since it uses less digits than its factorization.

672653072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2200 (or 2194 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 38.

The square root of 672653072 is about 25935.5561343882. The cubic root of 672653072 is about 876.1874802888.

The spelling of 672653072 in words is "six hundred seventy-two million, six hundred fifty-three thousand, seventy-two".

Divisors: 1 2 4 7 8 13 14 16 26 28 52 56 91 104 112 182 208 239 364 478 728 956 1456 1673 1912 1933 3107 3346 3824 3866 6214 6692 7732 12428 13384 13531 15464 21749 24856 25129 26768 27062 30928 43498 49712 50258 54124 86996 100516 108248 173992 175903 201032 216496 347984 351806 402064 461987 703612 923974 1407224 1847948 2814448 3233909 3695896 6005831 6467818 7391792 12011662 12935636 24023324 25871272 42040817 48046648 51742544 84081634 96093296 168163268 336326536 672653072