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15172996 = 2226314423
BaseRepresentation
bin111001111000…
…010110000100
31001112212102211
4321320112010
512341013441
61301113204
7242653066
oct71702604
931485384
1015172996
118623773
1250b8804
1331b3307
14202d736
1514eaa81
hexe78584

15172996 has 12 divisors (see below), whose sum is σ = 26655552. Its totient is φ = 7557128.

The previous prime is 15172991. The next prime is 15173009. The reversal of 15172996 is 69927151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15172991) 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 3 ways as a sum of consecutive naturals, for example, 6160 + ... + 8263.

It is an arithmetic number, because the mean of its divisors is an integer number (2221296).

Almost surely, 215172996 is an apocalyptic number.

It is an amenable number.

15172996 is a deficient number, since it is larger than the sum of its proper divisors (11482556).

15172996 is a wasteful number, since it uses less digits than its factorization.

15172996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14690 (or 14688 counting only the distinct ones).

The product of its digits is 34020, while the sum is 40.

The square root of 15172996 is about 3895.2530084707. The cubic root of 15172996 is about 247.5656853853.

The spelling of 15172996 in words is "fifteen million, one hundred seventy-two thousand, nine hundred ninety-six".

Divisors: 1 2 4 263 526 1052 14423 28846 57692 3793249 7586498 15172996