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232978463 is a prime number
BaseRepresentation
bin11011110001011…
…11100000011111
3121020101112100222
431320233200133
5434120302323
635041311555
75526166334
oct1570574037
9536345328
10232978463
1110a568193
12660355bb
1339362ba3
1422d2898b
15156c09c8
hexde2f81f

232978463 has 2 divisors, whose sum is σ = 232978464. Its totient is φ = 232978462.

The previous prime is 232978439. The next prime is 232978507. The reversal of 232978463 is 364879232.

It is an a-pointer prime, because the next prime (232978507) can be obtained adding 232978463 to its sum of digits (44).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-232978463 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232978763) 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 as a sum of consecutive naturals, namely, 116489231 + 116489232.

It is an arithmetic number, because the mean of its divisors is an integer number (116489232).

Almost surely, 2232978463 is an apocalyptic number.

232978463 is a deficient number, since it is larger than the sum of its proper divisors (1).

232978463 is an equidigital number, since it uses as much as digits as its factorization.

232978463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 44.

The square root of 232978463 is about 15263.6320382797. The cubic root of 232978463 is about 615.3259892912.

The spelling of 232978463 in words is "two hundred thirty-two million, nine hundred seventy-eight thousand, four hundred sixty-three".