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230251343 = 727516257
BaseRepresentation
bin11011011100101…
…01101101001111
3121001020222110112
431232111231033
5432421020333
634503030235
75464050500
oct1556255517
9531228415
10230251343
11108a75273
126513b37b
13389197ca
1422818ba7
1515332948
hexdb95b4f

230251343 has 12 divisors (see below), whose sum is σ = 268242912. Its totient is φ = 197064000.

The previous prime is 230251331. The next prime is 230251397. The reversal of 230251343 is 343152032.

It is not a de Polignac number, because 230251343 - 24 = 230251327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230251243) 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, 33671 + ... + 39927.

It is an arithmetic number, because the mean of its divisors is an integer number (22353576).

Almost surely, 2230251343 is an apocalyptic number.

230251343 is a deficient number, since it is larger than the sum of its proper divisors (37991569).

230251343 is an equidigital number, since it uses as much as digits as its factorization.

230251343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7022 (or 7015 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 230251343 is about 15174.0351587836. The cubic root of 230251343 is about 612.9156688658.

The spelling of 230251343 in words is "two hundred thirty million, two hundred fifty-one thousand, three hundred forty-three".

Divisors: 1 7 49 751 5257 6257 36799 43799 306593 4699007 32893049 230251343