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171047272 = 231119102301
BaseRepresentation
bin10100011000111…
…11100101101000
3102220212002202011
422030133211220
5322242003042
624550045304
74144610044
oct1214374550
9386762664
10171047272
1188608390
1249349834
132958ac06
1418a07024
151003aa17
hexa31f968

171047272 has 32 divisors (see below), whose sum is σ = 368287200. Its totient is φ = 73656000.

The previous prime is 171047267. The next prime is 171047287. The reversal of 171047272 is 272740171.

171047272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 49479 + ... + 52822.

It is an arithmetic number, because the mean of its divisors is an integer number (11508975).

Almost surely, 2171047272 is an apocalyptic number.

It is an amenable number.

171047272 is an abundant number, since it is smaller than the sum of its proper divisors (197239928).

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

171047272 is a wasteful number, since it uses less digits than its factorization.

171047272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102337 (or 102333 counting only the distinct ones).

The product of its (nonzero) digits is 5488, while the sum is 31.

The square root of 171047272 is about 13078.5041958169. The cubic root of 171047272 is about 555.1010524002.

The spelling of 171047272 in words is "one hundred seventy-one million, forty-seven thousand, two hundred seventy-two".

Divisors: 1 2 4 8 11 19 22 38 44 76 88 152 209 418 836 1672 102301 204602 409204 818408 1125311 1943719 2250622 3887438 4501244 7774876 9002488 15549752 21380909 42761818 85523636 171047272