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272069172 = 22332519159
BaseRepresentation
bin10000001101110…
…111001000110100
3200221221112202000
4100031313020310
51024122203142
642555215300
76512356404
oct2015671064
9627845660
10272069172
1112a637661
1277147530
134449b89b
14281c2804
1518d4314c
hex10377234

272069172 has 24 divisors (see below), whose sum is σ = 705364800. Its totient is φ = 90689688.

The previous prime is 272069159. The next prime is 272069201. The reversal of 272069172 is 271960272.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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, 1259472 + ... + 1259687.

It is an arithmetic number, because the mean of its divisors is an integer number (29390200).

Almost surely, 2272069172 is an apocalyptic number.

It is an amenable number.

272069172 is an abundant number, since it is smaller than the sum of its proper divisors (433295628).

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

272069172 is a wasteful number, since it uses less digits than its factorization.

272069172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2519172 (or 2519164 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 272069172 is about 16494.5194534427. The cubic root of 272069172 is about 647.9772797246.

Subtracting from 272069172 its reverse (271960272), we obtain a square (108900 = 3302).

The spelling of 272069172 in words is "two hundred seventy-two million, sixty-nine thousand, one hundred seventy-two".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 2519159 5038318 7557477 10076636 15114954 22672431 30229908 45344862 68017293 90689724 136034586 272069172