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396112172 = 221731187909
BaseRepresentation
bin10111100111000…
…011000100101100
31000121100120202012
4113213003010230
51302401042142
6103150020352
712546616661
oct2747030454
91017316665
10396112172
1119365aa35
12b07a76b8
13640acb01
143a871a68
1524b96882
hex179c312c

396112172 has 24 divisors (see below), whose sum is σ = 757653120. Its totient is φ = 180391680.

The previous prime is 396112169. The next prime is 396112177. The reversal of 396112172 is 271211693.

It is not an unprimeable number, because it can be changed into a prime (396112177) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91847 + ... + 96062.

It is an arithmetic number, because the mean of its divisors is an integer number (31568880).

Almost surely, 2396112172 is an apocalyptic number.

It is an amenable number.

396112172 is a deficient number, since it is larger than the sum of its proper divisors (361540948).

396112172 is a wasteful number, since it uses less digits than its factorization.

396112172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187961 (or 187959 counting only the distinct ones).

The product of its digits is 4536, while the sum is 32.

The square root of 396112172 is about 19902.5669701172. The cubic root of 396112172 is about 734.4113768780.

The spelling of 396112172 in words is "three hundred ninety-six million, one hundred twelve thousand, one hundred seventy-two".

Divisors: 1 2 4 17 31 34 62 68 124 527 1054 2108 187909 375818 751636 3194453 5825179 6388906 11650358 12777812 23300716 99028043 198056086 396112172