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272505240 = 233257176361
BaseRepresentation
bin10000001111100…
…001100110011000
3200222202200220200
4100033201212120
51024230131430
643012422200
76516153630
oct2017414630
9628680820
10272505240
1112a905247
1277317960
13445c2207
14282976c0
1518dcc460
hex103e1998

272505240 has 192 divisors, whose sum is σ = 1071869760. Its totient is φ = 58613760.

The previous prime is 272505217. The next prime is 272505269. The reversal of 272505240 is 42505272.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 39660 + ... + 46020.

It is an arithmetic number, because the mean of its divisors is an integer number (5582655).

Almost surely, 2272505240 is an apocalyptic number.

272505240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 272505240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (535934880).

272505240 is an abundant number, since it is smaller than the sum of its proper divisors (799364520).

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

272505240 is a wasteful number, since it uses less digits than its factorization.

272505240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6402 (or 6395 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 272505240 is about 16507.7327334798. The cubic root of 272505240 is about 648.3232840473.

The spelling of 272505240 in words is "two hundred seventy-two million, five hundred five thousand, two hundred forty".