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172163104 = 2519283163
BaseRepresentation
bin10100100001100…
…00000000100000
3102222221210101021
422100300000200
5323033204404
625030015224
74160235151
oct1220600040
9388853337
10172163104
11891aa763
12497a7514
132988ba79
1418c17928
15101ab454
hexa430020

172163104 has 24 divisors (see below), whose sum is σ = 356786640. Its totient is φ = 81550656.

The previous prime is 172163087. The next prime is 172163137. The reversal of 172163104 is 401361271.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140974 + ... + 142189.

It is an arithmetic number, because the mean of its divisors is an integer number (14866110).

Almost surely, 2172163104 is an apocalyptic number.

It is an amenable number.

172163104 is an abundant number, since it is smaller than the sum of its proper divisors (184623536).

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

172163104 is a wasteful number, since it uses less digits than its factorization.

172163104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283192 (or 283184 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 172163104 is about 13121.0938568398. The cubic root of 172163104 is about 556.3055098582.

The spelling of 172163104 in words is "one hundred seventy-two million, one hundred sixty-three thousand, one hundred four".

Divisors: 1 2 4 8 16 19 32 38 76 152 304 608 283163 566326 1132652 2265304 4530608 5380097 9061216 10760194 21520388 43040776 86081552 172163104