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230563254 = 23412413889
BaseRepresentation
bin11011011111000…
…01110110110110
3121001211211022210
431233201312312
5433011011004
634513434250
75466520035
oct1557416666
9531754283
10230563254
11109168649
126526b986
13389c877c
142289a71c
1515395089
hexdbe1db6

230563254 has 32 divisors (see below), whose sum is σ = 474455520. Its totient is φ = 74649600.

The previous prime is 230563189. The next prime is 230563261. The reversal of 230563254 is 452365032.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57342 + ... + 61230.

It is an arithmetic number, because the mean of its divisors is an integer number (14826735).

Almost surely, 2230563254 is an apocalyptic number.

230563254 is an abundant number, since it is smaller than the sum of its proper divisors (243892266).

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

230563254 is a wasteful number, since it uses less digits than its factorization.

230563254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4176.

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 230563254 is about 15184.3094673416. The cubic root of 230563254 is about 613.1923069608.

The spelling of 230563254 in words is "two hundred thirty million, five hundred sixty-three thousand, two hundred fifty-four".

Divisors: 1 2 3 6 41 82 123 241 246 482 723 1446 3889 7778 9881 11667 19762 23334 29643 59286 159449 318898 478347 937249 956694 1874498 2811747 5623494 38427209 76854418 115281627 230563254