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64263 = 331691
BaseRepresentation
bin1111101100000111
310021011010
433230013
54024023
61213303
7355233
oct175407
9107133
1064263
1144311
1231233
1323334
14195c3
1514093
hexfb07

64263 has 8 divisors (see below), whose sum is σ = 88576. Its totient is φ = 41400.

The previous prime is 64237. The next prime is 64271. The reversal of 64263 is 36246.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 64263 - 25 = 64231 is a prime.

It is the 254-th Hogben number.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a nialpdrome in base 11.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 64263.

It is not an unprimeable number, because it can be changed into a prime (64223) by changing a digit.

It is a nontrivial repunit in base 253.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253 + ... + 438.

It is an arithmetic number, because the mean of its divisors is an integer number (11072).

264263 is an apocalyptic number.

64263 is a deficient number, since it is larger than the sum of its proper divisors (24313).

64263 is a wasteful number, since it uses less digits than its factorization.

64263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725.

The product of its digits is 864, while the sum is 21.

The square root of 64263 is about 253.5014792856. The cubic root of 64263 is about 40.0547167844.

The spelling of 64263 in words is "sixty-four thousand, two hundred sixty-three".

Divisors: 1 3 31 93 691 2073 21421 64263