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230220258 = 23292713109
BaseRepresentation
bin11011011100011…
…10000111100010
3121001012101211020
431232032013202
5432414022013
634502230310
75463561042
oct1556160742
9531171736
10230220258
11108a53984
1265125396
1338908608
142280b722
1515328623
hexdb8e1e2

230220258 has 16 divisors (see below), whose sum is σ = 460632960. Its totient is φ = 76708016.

The previous prime is 230220257. The next prime is 230220281. The reversal of 230220258 is 852022032.

It is not an unprimeable number, because it can be changed into a prime (230220251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11008 + ... + 24116.

It is an arithmetic number, because the mean of its divisors is an integer number (28789560).

Almost surely, 2230220258 is an apocalyptic number.

230220258 is an abundant number, since it is smaller than the sum of its proper divisors (230412702).

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

230220258 is a wasteful number, since it uses less digits than its factorization.

230220258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16041.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 230220258 is about 15173.0108416227. The cubic root of 230220258 is about 612.8880854711. Note that the first 3 decimals are identical.

The spelling of 230220258 in words is "two hundred thirty million, two hundred twenty thousand, two hundred fifty-eight".

Divisors: 1 2 3 6 2927 5854 8781 13109 17562 26218 39327 78654 38370043 76740086 115110129 230220258