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272552680 = 2356813817
BaseRepresentation
bin10000001111101…
…101001011101000
3200222212002222201
4100033231023220
51024233141210
643013425544
76516442141
oct2017551350
9628762881
10272552680
1112a937954
127733b2b4
134460a99a
14282aaac8
1518ddb53a
hex103ed2e8

272552680 has 16 divisors (see below), whose sum is σ = 613243620. Its totient is φ = 109021056.

The previous prime is 272552629. The next prime is 272552681. The reversal of 272552680 is 86255272.

It can be written as a sum of positive squares in 2 ways, for example, as 271524484 + 1028196 = 16478^2 + 1014^2 .

It is not an unprimeable number, because it can be changed into a prime (272552681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3406869 + ... + 3406948.

Almost surely, 2272552680 is an apocalyptic number.

272552680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

272552680 is an abundant number, since it is smaller than the sum of its proper divisors (340690940).

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

272552680 is a wasteful number, since it uses less digits than its factorization.

272552680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6813828 (or 6813824 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 272552680 is about 16509.1695733008. The cubic root of 272552680 is about 648.3609037177.

The spelling of 272552680 in words is "two hundred seventy-two million, five hundred fifty-two thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 6813817 13627634 27255268 34069085 54510536 68138170 136276340 272552680