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172252102 = 21156313907
BaseRepresentation
bin10100100010001…
…01101111000110
3110000010022110111
422101011233012
5323044031402
625031543234
74161055501
oct1221055706
9400108414
10172252102
1189260610
124982ab1a
13298c0429
1418c3c138
15101c79d7
hexa445bc6

172252102 has 16 divisors (see below), whose sum is σ = 282388032. Its totient is φ = 78151720.

The previous prime is 172252097. The next prime is 172252103. The reversal of 172252102 is 201252271.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172252103) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5433 + ... + 19339.

It is an arithmetic number, because the mean of its divisors is an integer number (17649252).

Almost surely, 2172252102 is an apocalyptic number.

172252102 is a deficient number, since it is larger than the sum of its proper divisors (110135930).

172252102 is a wasteful number, since it uses less digits than its factorization.

172252102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14483.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 172252102 is about 13124.4848279847. The cubic root of 172252102 is about 556.4013522073.

It can be divided in two parts, 1722 and 52102, that added together give a square (53824 = 2322).

The spelling of 172252102 in words is "one hundred seventy-two million, two hundred fifty-two thousand, one hundred two".

Divisors: 1 2 11 22 563 1126 6193 12386 13907 27814 152977 305954 7829641 15659282 86126051 172252102