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230232330 = 23252558137
BaseRepresentation
bin11011011100100…
…01000100001010
3121001020000101100
431232101010022
5432414413310
634502402230
75463641166
oct1556210412
9531200340
10230232330
11108a61a59
1265130376
1338910c63
1422811ca6
151532bec0
hexdb9110a

230232330 has 24 divisors (see below), whose sum is σ = 598604292. Its totient is φ = 61395264.

The previous prime is 230232311. The next prime is 230232341. The reversal of 230232330 is 33232032.

230232330 is a `hidden beast` number, since 2 + 302 + 32 + 330 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 212314041 + 17918289 = 14571^2 + 4233^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1278979 + ... + 1279158.

Almost surely, 2230232330 is an apocalyptic number.

230232330 is an abundant number, since it is smaller than the sum of its proper divisors (368371962).

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

230232330 is a wasteful number, since it uses less digits than its factorization.

230232330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2558150 (or 2558147 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 18.

The square root of 230232330 is about 15173.4086480263. The cubic root of 230232330 is about 612.8987979018.

Adding to 230232330 its reverse (33232032), we get a palindrome (263464362).

The spelling of 230232330 in words is "two hundred thirty million, two hundred thirty-two thousand, three hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 2558137 5116274 7674411 12790685 15348822 23023233 25581370 38372055 46046466 76744110 115116165 230232330