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232455040 = 275363211
BaseRepresentation
bin11011101101011…
…11101110000000
3121012101221100221
431312233232000
5434002030130
635022152424
75521556326
oct1566575600
9535357327
10232455040
1110a23aa04
1265a22714
133920b87c
1422c2dd16
151561a87a
hexddafb80

232455040 has 32 divisors (see below), whose sum is σ = 555714360. Its totient is φ = 92981760.

The previous prime is 232455023. The next prime is 232455071. The reversal of 232455040 is 40554232.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 232454996 and 232455014.

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, 180966 + ... + 182245.

Almost surely, 2232455040 is an apocalyptic number.

232455040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232455040 is an abundant number, since it is smaller than the sum of its proper divisors (323259320).

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

232455040 is an equidigital number, since it uses as much as digits as its factorization.

232455040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363230 (or 363218 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 232455040 is about 15246.4763142177. The cubic root of 232455040 is about 614.8648346839.

The spelling of 232455040 in words is "two hundred thirty-two million, four hundred fifty-five thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 320 640 363211 726422 1452844 1816055 2905688 3632110 5811376 7264220 11622752 14528440 23245504 29056880 46491008 58113760 116227520 232455040