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230566371 = 3728033917
BaseRepresentation
bin11011011111000…
…10100111100011
3121001211222121020
431233202213203
5433011110441
634513500523
75466532110
oct1557424743
9531758536
10230566371
1110916aa22
1265271743
13389ca009
142289b907
1515395e66
hexdbe29e3

230566371 has 16 divisors (see below), whose sum is σ = 351554304. Its totient is φ = 131671584.

The previous prime is 230566367. The next prime is 230566373. The reversal of 230566371 is 173665032.

It is not a de Polignac number, because 230566371 - 22 = 230566367 is a prime.

It is a super-2 number, since 2×2305663712 = 106321702872219282, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (230566373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56905 + ... + 60821.

It is an arithmetic number, because the mean of its divisors is an integer number (21972144).

Almost surely, 2230566371 is an apocalyptic number.

230566371 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

230566371 is a deficient number, since it is larger than the sum of its proper divisors (120987933).

230566371 is a wasteful number, since it uses less digits than its factorization.

230566371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6730.

The product of its (nonzero) digits is 22680, while the sum is 33.

The square root of 230566371 is about 15184.4121058406. The cubic root of 230566371 is about 613.1950702109.

The spelling of 230566371 in words is "two hundred thirty million, five hundred sixty-six thousand, three hundred seventy-one".

Divisors: 1 3 7 21 2803 3917 8409 11751 19621 27419 58863 82257 10979351 32938053 76855457 230566371