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239094980 = 22511954749
BaseRepresentation
bin11100100000001…
…00110011000100
3121122220021122122
432100010303010
5442202014410
635420345112
75632162625
oct1620046304
9548807578
10239094980
11112a65663
12680a5198
133a6c4c27
1423a7ba4c
1515ecce55
hexe404cc4

239094980 has 12 divisors (see below), whose sum is σ = 502099500. Its totient is φ = 95637984.

The previous prime is 239094979. The next prime is 239095039. The reversal of 239094980 is 89490932.

It can be written as a sum of positive squares in 2 ways, for example, as 96196864 + 142898116 = 9808^2 + 11954^2 .

It is a super-2 number, since 2×2390949802 = 114332818922400800, which contains 22 as substring.

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, 5977355 + ... + 5977394.

It is an arithmetic number, because the mean of its divisors is an integer number (41841625).

Almost surely, 2239094980 is an apocalyptic number.

239094980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

239094980 is an abundant number, since it is smaller than the sum of its proper divisors (263004520).

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

239094980 is a wasteful number, since it uses less digits than its factorization.

239094980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11954758 (or 11954756 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 239094980 is about 15462.6964013396. The cubic root of 239094980 is about 620.6643762665.

The spelling of 239094980 in words is "two hundred thirty-nine million, ninety-four thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 11954749 23909498 47818996 59773745 119547490 239094980