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230132252 = 2278219009
BaseRepresentation
bin11011011011110…
…00101000011100
3121001000221002202
431231320220130
5432403213002
634500311032
75463043340
oct1555705034
9531027082
10230132252
111089a3849
12650a2478
13388a753c
14227c7620
151530c502
hexdb78a1c

230132252 has 12 divisors (see below), whose sum is σ = 460264560. Its totient is φ = 98628096.

The previous prime is 230132249. The next prime is 230132263. The reversal of 230132252 is 252231032.

230132252 is an admirable number.

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, 4109477 + ... + 4109532.

It is an arithmetic number, because the mean of its divisors is an integer number (38355380).

Almost surely, 2230132252 is an apocalyptic number.

It is an amenable number.

230132252 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

230132252 is a wasteful number, since it uses less digits than its factorization.

230132252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8219020 (or 8219018 counting only the distinct ones).

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

The square root of 230132252 is about 15170.1104808106. The cubic root of 230132252 is about 612.8099795394.

Adding to 230132252 its reverse (252231032), we get a palindrome (482363284).

The spelling of 230132252 in words is "two hundred thirty million, one hundred thirty-two thousand, two hundred fifty-two".

Divisors: 1 2 4 7 14 28 8219009 16438018 32876036 57533063 115066126 230132252