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52167204 = 22321449089
BaseRepresentation
bin1100011100000…
…0001000100100
310122011100221200
43013000020210
5101323322304
65102042500
71202261655
oct307001044
9118140850
1052167204
11274a0aa1
1215579430
13aa6698b
146cdd52c
1548a6e39
hex31c0224

52167204 has 18 divisors (see below), whose sum is σ = 131867190. Its totient is φ = 17389056.

The previous prime is 52167191. The next prime is 52167239. The reversal of 52167204 is 40276125.

It can be written as a sum of positive squares in only one way, i.e., 34928100 + 17239104 = 5910^2 + 4152^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 724509 + ... + 724580.

It is an arithmetic number, because the mean of its divisors is an integer number (7325955).

Almost surely, 252167204 is an apocalyptic number.

It is an amenable number.

52167204 is an abundant number, since it is smaller than the sum of its proper divisors (79699986).

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

52167204 is a wasteful number, since it uses less digits than its factorization.

52167204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1449099 (or 1449094 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 52167204 is about 7222.6867577100. The cubic root of 52167204 is about 373.6507458577.

The spelling of 52167204 in words is "fifty-two million, one hundred sixty-seven thousand, two hundred four".

Divisors: 1 2 3 4 6 9 12 18 36 1449089 2898178 4347267 5796356 8694534 13041801 17389068 26083602 52167204