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230132552 = 23135234231
BaseRepresentation
bin11011011011110…
…00101101001000
3121001000221111212
431231320231020
5432403220202
634500312252
75463044246
oct1555705510
9531027455
10230132552
111089a3aa1
12650a2688
13388a7710
14227c7796
151530c652
hexdb78b48

230132552 has 32 divisors (see below), whose sum is σ = 465689280. Its totient is φ = 105986880.

The previous prime is 230132531. The next prime is 230132569. The reversal of 230132552 is 255231032.

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, 52277 + ... + 56507.

It is an arithmetic number, because the mean of its divisors is an integer number (14552790).

Almost surely, 2230132552 is an apocalyptic number.

It is an amenable number.

230132552 is an abundant number, since it is smaller than the sum of its proper divisors (235556728).

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

230132552 is a wasteful number, since it uses less digits than its factorization.

230132552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4773 (or 4769 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 230132552 is about 15170.1203686721. The cubic root of 230132552 is about 612.8102458253.

Adding to 230132552 its reverse (255231032), we get a palindrome (485363584).

The spelling of 230132552 in words is "two hundred thirty million, one hundred thirty-two thousand, five hundred fifty-two".

Divisors: 1 2 4 8 13 26 52 104 523 1046 2092 4184 4231 6799 8462 13598 16924 27196 33848 54392 55003 110006 220012 440024 2212813 4425626 8851252 17702504 28766569 57533138 115066276 230132552