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172252912 = 2413263703
BaseRepresentation
bin10100100010001…
…01111011110000
3110000010100120111
422101011323300
5323044043122
625031551104
74161061036
oct1221057360
9400110514
10172252912
1189261187
124982b494
13298c0900
1418c3c556
15101c7d77
hexa445ef0

172252912 has 30 divisors (see below), whose sum is σ = 361392792. Its totient is φ = 79500096.

The previous prime is 172252907. The next prime is 172252921. The reversal of 172252912 is 219252271.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29148 + ... + 34555.

Almost surely, 2172252912 is an apocalyptic number.

It is an amenable number.

172252912 is an abundant number, since it is smaller than the sum of its proper divisors (189139880).

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

172252912 is a wasteful number, since it uses less digits than its factorization.

172252912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63737 (or 63718 counting only the distinct ones).

The product of its digits is 5040, while the sum is 31.

The square root of 172252912 is about 13124.5156863025. The cubic root of 172252912 is about 556.4022243484.

The spelling of 172252912 in words is "one hundred seventy-two million, two hundred fifty-two thousand, nine hundred twelve".

Divisors: 1 2 4 8 13 16 26 52 104 169 208 338 676 1352 2704 63703 127406 254812 509624 828139 1019248 1656278 3312556 6625112 10765807 13250224 21531614 43063228 86126456 172252912