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230697351 = 32181141619
BaseRepresentation
bin11011100000000…
…10100110000111
3121002002122021100
431300002212013
5433024303401
634520351143
75500616013
oct1560024607
9532078240
10230697351
1110924a375
12653154b3
1338a44811
14228d3543
15153beb86
hexdc02987

230697351 has 12 divisors (see below), whose sum is σ = 335072920. Its totient is φ = 152947440.

The previous prime is 230697343. The next prime is 230697367. The reversal of 230697351 is 153796032.

It is not a de Polignac number, because 230697351 - 23 = 230697343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230697391) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69181 + ... + 72438.

Almost surely, 2230697351 is an apocalyptic number.

230697351 is a deficient number, since it is larger than the sum of its proper divisors (104375569).

230697351 is a wasteful number, since it uses less digits than its factorization.

230697351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141806 (or 141803 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 36.

The square root of 230697351 is about 15188.7244691580. The cubic root of 230697351 is about 613.3111627212.

The spelling of 230697351 in words is "two hundred thirty million, six hundred ninety-seven thousand, three hundred fifty-one".

Divisors: 1 3 9 181 543 1629 141619 424857 1274571 25633039 76899117 230697351