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272802061 = 725567389
BaseRepresentation
bin10000010000101…
…010000100001101
3201000022210002001
4100100222010031
51024314131221
643023032301
76521531200
oct2020520415
9630283061
10272802061
1112aa98254
127743b691
134469734c
1428333937
1518e3a391
hex1042a10d

272802061 has 6 divisors (see below), whose sum is σ = 317341230. Its totient is φ = 233830296.

The previous prime is 272802059. The next prime is 272802083. The reversal of 272802061 is 160208272.

It can be written as a sum of positive squares in only one way, i.e., 272448036 + 354025 = 16506^2 + 595^2 .

It is not a de Polignac number, because 272802061 - 21 = 272802059 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272802041) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2783646 + ... + 2783743.

It is an arithmetic number, because the mean of its divisors is an integer number (52890205).

Almost surely, 2272802061 is an apocalyptic number.

It is an amenable number.

272802061 is a deficient number, since it is larger than the sum of its proper divisors (44539169).

272802061 is an equidigital number, since it uses as much as digits as its factorization.

272802061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5567403 (or 5567396 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 272802061 is about 16516.7206490877. The cubic root of 272802061 is about 648.5585897839.

The spelling of 272802061 in words is "two hundred seventy-two million, eight hundred two thousand, sixty-one".

Divisors: 1 7 49 5567389 38971723 272802061