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672207672 = 233971991451
BaseRepresentation
bin101000000100010…
…001001100111000
31201211212200120110
4220010101030320
52334041121142
6150411424320
722441446063
oct5004211470
91654780513
10672207672
11315497634
121691550a0
13a935b226
14653c18da
153e03299c
hex28111338

672207672 has 64 divisors (see below), whose sum is σ = 1707552000. Its totient is φ = 220492800.

The previous prime is 672207671. The next prime is 672207719. The reversal of 672207672 is 276702276.

It is a self number, because there is not a number n which added to its sum of digits gives 672207672.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672207671) 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, 462547 + ... + 463997.

It is an arithmetic number, because the mean of its divisors is an integer number (26680500).

Almost surely, 2672207672 is an apocalyptic number.

It is an amenable number.

672207672 is an abundant number, since it is smaller than the sum of its proper divisors (1035344328).

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

672207672 is a wasteful number, since it uses less digits than its factorization.

672207672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1756 (or 1752 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 39.

The square root of 672207672 is about 25926.9680448756. The cubic root of 672207672 is about 875.9940472063.

The spelling of 672207672 in words is "six hundred seventy-two million, two hundred seven thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 24 97 194 199 291 388 398 582 597 776 796 1164 1194 1451 1592 2328 2388 2902 4353 4776 5804 8706 11608 17412 19303 34824 38606 57909 77212 115818 140747 154424 231636 281494 288749 422241 463272 562988 577498 844482 866247 1125976 1154996 1688964 1732494 2309992 3377928 3464988 6929976 28008653 56017306 84025959 112034612 168051918 224069224 336103836 672207672