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64414031 = 1143913339
BaseRepresentation
bin1111010110111…
…0000101001111
311111012120102212
43311232011033
5112442222111
610220341035
71411340003
oct365560517
9144176385
1064414031
11333a6240
12196a477b
1310464116
1487aa703
1559c598b
hex3d6e14f

64414031 has 8 divisors (see below), whose sum is σ = 70435200. Its totient is φ = 58420440.

The previous prime is 64414013. The next prime is 64414057. The reversal of 64414031 is 13041446.

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

It is a cyclic number.

It is not a de Polignac number, because 64414031 - 214 = 64397647 is a prime.

It is a super-2 number, since 2×644140312 = 8298334779337922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64413988 and 64414006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64414061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1841 + ... + 11498.

It is an arithmetic number, because the mean of its divisors is an integer number (8804400).

Almost surely, 264414031 is an apocalyptic number.

64414031 is a deficient number, since it is larger than the sum of its proper divisors (6021169).

64414031 is a wasteful number, since it uses less digits than its factorization.

64414031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13789.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 64414031 is about 8025.8352213337. The cubic root of 64414031 is about 400.8607111955.

Adding to 64414031 its reverse (13041446), we get a palindrome (77455477).

The spelling of 64414031 in words is "sixty-four million, four hundred fourteen thousand, thirty-one".

Divisors: 1 11 439 4829 13339 146729 5855821 64414031