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172106160 = 2435717109
BaseRepresentation
bin10100100001000…
…10000110110000
3102222211220021020
422100202012300
5323024344120
625024455440
74156610142
oct1220420660
9388756236
10172106160
11891709a6
124977a580
132986bb85
1418c00c92
1510199640
hexa4221b0

172106160 has 40 divisors (see below), whose sum is σ = 533529840. Its totient is φ = 45894912.

The previous prime is 172106117. The next prime is 172106177. The reversal of 172106160 is 61601271.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 172106160.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 358315 + ... + 358794.

It is an arithmetic number, because the mean of its divisors is an integer number (13338246).

Almost surely, 2172106160 is an apocalyptic number.

172106160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

172106160 is an abundant number, since it is smaller than the sum of its proper divisors (361423680).

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

172106160 is a wasteful number, since it uses less digits than its factorization.

172106160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717125 (or 717119 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 172106160 is about 13118.9237363436. The cubic root of 172106160 is about 556.2441692778.

The spelling of 172106160 in words is "one hundred seventy-two million, one hundred six thousand, one hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 717109 1434218 2151327 2868436 3585545 4302654 5736872 7171090 8605308 10756635 11473744 14342180 17210616 21513270 28684360 34421232 43026540 57368720 86053080 172106160