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797049656 = 23139977687
BaseRepresentation
bin101111100000100…
…000001100111000
32001112210022120122
4233200200030320
53113021042111
6211031312412
725515544634
oct5740401470
92045708518
10797049656
11379a06227
121a2b1b708
13c918c020
1477bdbdc4
1549e92cdb
hex2f820338

797049656 has 32 divisors (see below), whose sum is σ = 1611251040. Its totient is φ = 367452288.

The previous prime is 797049647. The next prime is 797049661. The reversal of 797049656 is 656940797.

It is a junction number, because it is equal to n+sod(n) for n = 797049598 and 797049607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99845 + ... + 107531.

It is an arithmetic number, because the mean of its divisors is an integer number (50351595).

Almost surely, 2797049656 is an apocalyptic number.

It is an amenable number.

797049656 is an abundant number, since it is smaller than the sum of its proper divisors (814201384).

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

797049656 is a wasteful number, since it uses less digits than its factorization.

797049656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8703 (or 8699 counting only the distinct ones).

The product of its (nonzero) digits is 2857680, while the sum is 53.

The square root of 797049656 is about 28232.0678661695. The cubic root of 797049656 is about 927.1751706507.

The spelling of 797049656 in words is "seven hundred ninety-seven million, forty-nine thousand, six hundred fifty-six".

Divisors: 1 2 4 8 13 26 52 104 997 1994 3988 7687 7976 12961 15374 25922 30748 51844 61496 99931 103688 199862 399724 799448 7663939 15327878 30655756 61311512 99631207 199262414 398524828 797049656