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172052 = 2243013
BaseRepresentation
bin101010000000010100
322202000022
4222000110
521001202
63404312
71314416
oct520024
9282008
10172052
111082a1
1283698
136040a
14469b6
1535ea2
hex2a014

172052 has 6 divisors (see below), whose sum is σ = 301098. Its totient is φ = 86024.

The previous prime is 172049. The next prime is 172069. The reversal of 172052 is 250271.

It can be written as a sum of positive squares in only one way, i.e., 163216 + 8836 = 404^2 + 94^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 172052.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21503 + ... + 21510.

It is an arithmetic number, because the mean of its divisors is an integer number (50183).

2172052 is an apocalyptic number.

It is an amenable number.

172052 is a deficient number, since it is larger than the sum of its proper divisors (129046).

172052 is a wasteful number, since it uses less digits than its factorization.

172052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43017 (or 43015 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 172052 is about 414.7915138958. The cubic root of 172052 is about 55.6185815091.

The spelling of 172052 in words is "one hundred seventy-two thousand, fifty-two".

Divisors: 1 2 4 43013 86026 172052