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230120032 = 257191251
BaseRepresentation
bin11011011011101…
…01101001100000
3121001000022100011
431231311221200
5432402320112
634500134304
75462662612
oct1555655140
9531008304
10230120032
1110899564a
1265097394
13388a1acc
14227c2db2
1515308aa7
hexdb75a60

230120032 has 12 divisors (see below), whose sum is σ = 453048876. Its totient is φ = 115060000.

The previous prime is 230120029. The next prime is 230120071. The reversal of 230120032 is 230021032.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 230119994 and 230120021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3595594 + ... + 3595657.

It is an arithmetic number, because the mean of its divisors is an integer number (37754073).

Almost surely, 2230120032 is an apocalyptic number.

It is an amenable number.

230120032 is a deficient number, since it is larger than the sum of its proper divisors (222928844).

230120032 is an equidigital number, since it uses as much as digits as its factorization.

230120032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7191261 (or 7191253 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 230120032 is about 15169.7077097748. The cubic root of 230120032 is about 612.7991326308.

Adding to 230120032 its reverse (230021032), we get a palindrome (460141064).

The spelling of 230120032 in words is "two hundred thirty million, one hundred twenty thousand, thirty-two".

Divisors: 1 2 4 8 16 32 7191251 14382502 28765004 57530008 115060016 230120032