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240231872 = 2623293557
BaseRepresentation
bin11100101000110…
…10010111000000
3121202001001011202
432110122113000
5442444404442
635501000332
75644636316
oct1624322700
9552031152
10240231872
11113671841
12685530a8
133aa0254a
1423c960b6
1516154c32
hexe51a5c0

240231872 has 56 divisors (see below), whose sum is σ = 500030496. Its totient is φ = 114295808.

The previous prime is 240231869. The next prime is 240231923. The reversal of 240231872 is 278132042.

It is a super-2 number, since 2×2402318722 = 115422704649248768, 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 7 ways as a sum of consecutive naturals, for example, 431018 + ... + 431574.

It is an arithmetic number, because the mean of its divisors is an integer number (8929116).

Almost surely, 2240231872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 240231872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250015248).

240231872 is an abundant number, since it is smaller than the sum of its proper divisors (259798624).

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

240231872 is a wasteful number, since it uses less digits than its factorization.

240231872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885 (or 875 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 240231872 is about 15499.4152147750. The cubic root of 240231872 is about 621.6465701667.

The spelling of 240231872 in words is "two hundred forty million, two hundred thirty-one thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 16 23 32 46 64 92 184 293 368 557 586 736 1114 1172 1472 2228 2344 4456 4688 6739 8912 9376 12811 13478 17824 18752 25622 26956 35648 51244 53912 102488 107824 163201 204976 215648 326402 409952 431296 652804 819904 1305608 2611216 3753623 5222432 7507246 10444864 15014492 30028984 60057968 120115936 240231872