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230430032 = 2472057411
BaseRepresentation
bin11011011110000…
…01010101010000
3121001121001120122
431233001111100
5432442230112
634510525412
75465423450
oct1557012520
9531531518
10230430032
11109087548
1265206868
133897cc41
1422863d60
151536a872
hexdbc1550

230430032 has 20 divisors (see below), whose sum is σ = 510238176. Its totient is φ = 98755680.

The previous prime is 230430017. The next prime is 230430041. The reversal of 230430032 is 230034032.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1028594 + ... + 1028817.

Almost surely, 2230430032 is an apocalyptic number.

It is an amenable number.

230430032 is an abundant number, since it is smaller than the sum of its proper divisors (279808144).

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

230430032 is a wasteful number, since it uses less digits than its factorization.

230430032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2057426 (or 2057420 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 230430032 is about 15179.9220024347. The cubic root of 230430032 is about 613.0741811058.

Adding to 230430032 its reverse (230034032), we get a palindrome (460464064).

The spelling of 230430032 in words is "two hundred thirty million, four hundred thirty thousand, thirty-two".

Divisors: 1 2 4 7 8 14 16 28 56 112 2057411 4114822 8229644 14401877 16459288 28803754 32918576 57607508 115215016 230430032