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47902340 = 2252395117
BaseRepresentation
bin1011011010111…
…0111010000100
310100010200122202
42312232322010
544230333330
64430414032
71121106653
oct266567204
9110120582
1047902340
1125048812
1214061318
139c026a5
14650d19a
154313445
hex2daee84

47902340 has 12 divisors (see below), whose sum is σ = 100594956. Its totient is φ = 19160928.

The previous prime is 47902333. The next prime is 47902367. The reversal of 47902340 is 4320974.

It can be written as a sum of positive squares in 2 ways, for example, as 11710084 + 36192256 = 3422^2 + 6016^2 .

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, 1197539 + ... + 1197578.

It is an arithmetic number, because the mean of its divisors is an integer number (8382913).

Almost surely, 247902340 is an apocalyptic number.

It is an amenable number.

47902340 is an abundant number, since it is smaller than the sum of its proper divisors (52692616).

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

47902340 is a wasteful number, since it uses less digits than its factorization.

47902340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2395126 (or 2395124 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 47902340 is about 6921.1516382752. The cubic root of 47902340 is about 363.1774790030.

The spelling of 47902340 in words is "forty-seven million, nine hundred two thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 2395117 4790234 9580468 11975585 23951170 47902340