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230431254 = 23199192991
BaseRepresentation
bin11011011110000…
…01101000010110
3121001121010020220
431233001220112
5432442300004
634510535210
75465430144
oct1557015026
9531533226
10230431254
11109088459
1265207506
1338980671
1422864594
151536add9
hexdbc1a16

230431254 has 16 divisors (see below), whose sum is σ = 463180800. Its totient is φ = 76424040.

The previous prime is 230431247. The next prime is 230431261. The reversal of 230431254 is 452134032.

230431254 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (230431247) and next prime (230431261).

It is a congruent number.

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, 95302 + ... + 97689.

It is an arithmetic number, because the mean of its divisors is an integer number (28948800).

Almost surely, 2230431254 is an apocalyptic number.

230431254 is an abundant number, since it is smaller than the sum of its proper divisors (232749546).

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

230431254 is a wasteful number, since it uses less digits than its factorization.

230431254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193195.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 230431254 is about 15179.9622529175. The cubic root of 230431254 is about 613.0752648409.

Adding to 230431254 its reverse (452134032), we get a palindrome (682565286).

The spelling of 230431254 in words is "two hundred thirty million, four hundred thirty-one thousand, two hundred fifty-four".

Divisors: 1 2 3 6 199 398 597 1194 192991 385982 578973 1157946 38405209 76810418 115215627 230431254