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2731452656 = 24315506961
BaseRepresentation
bin1010001011001110…
…1010100011110000
321001100201011122012
42202303222203300
521043222441111
61131012302052
7124454651552
oct24263524360
97040634565
102731452656
111181919899
12642911928
13346b7999a
141bca9d4d2
1510ebe948b
hexa2cea8f0

2731452656 has 20 divisors (see below), whose sum is σ = 5462906304. Its totient is φ = 1321670400.

The previous prime is 2731452649. The next prime is 2731452671. The reversal of 2731452656 is 6562541372.

2731452656 is an admirable number.

It is a super-2 number, since 2×27314526562 = 14921667223938908672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2752985 + ... + 2753976.

Almost surely, 22731452656 is an apocalyptic number.

It is an amenable number.

2731452656 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2731452656 is a wasteful number, since it uses less digits than its factorization.

2731452656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5507000 (or 5506994 counting only the distinct ones).

The product of its digits is 302400, while the sum is 41.

The square root of 2731452656 is about 52263.3012351880. The cubic root of 2731452656 is about 1397.8628371442.

The spelling of 2731452656 in words is "two billion, seven hundred thirty-one million, four hundred fifty-two thousand, six hundred fifty-six".

Divisors: 1 2 4 8 16 31 62 124 248 496 5506961 11013922 22027844 44055688 88111376 170715791 341431582 682863164 1365726328 2731452656