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230124053 = 1723721521
BaseRepresentation
bin11011011011101…
…10101000010101
3121001000111212002
431231312220111
5432402432203
634500205045
75463010415
oct1555665025
9531014762
10230124053
11108998675
1265099785
13388a38a3
14227c4645
1515309d88
hexdb76a15

230124053 has 12 divisors (see below), whose sum is σ = 251075652. Its totient is φ = 210723840.

The previous prime is 230124049. The next prime is 230124101. The reversal of 230124053 is 350421032.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 59089969 + 171034084 = 7687^2 + 13078^2 .

It is not a de Polignac number, because 230124053 - 22 = 230124049 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230124023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68 + ... + 21453.

It is an arithmetic number, because the mean of its divisors is an integer number (20922971).

Almost surely, 2230124053 is an apocalyptic number.

It is an amenable number.

230124053 is a deficient number, since it is larger than the sum of its proper divisors (20951599).

230124053 is a wasteful number, since it uses less digits than its factorization.

230124053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21592 (or 21575 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 230124053 is about 15169.8402430612. The cubic root of 230124053 is about 612.8027018565.

Adding to 230124053 its reverse (350421032), we get a palindrome (580545085).

The spelling of 230124053 in words is "two hundred thirty million, one hundred twenty-four thousand, fifty-three".

Divisors: 1 17 37 289 629 10693 21521 365857 796277 6219569 13536709 230124053