Search a number
-
+
64463135 = 51123131389
BaseRepresentation
bin1111010111101…
…0000100011111
311111022001210112
43311322010133
5113000310020
610221400235
71411633112
oct365720437
9144261715
1064463135
113342a120
121970907b
1310480589
1487c0579
1559d52c5
hex3d7a11f

64463135 has 32 divisors (see below), whose sum is σ = 88957440. Its totient is φ = 44387200.

The previous prime is 64463129. The next prime is 64463171. The reversal of 64463135 is 53136446.

It is not a de Polignac number, because 64463135 - 26 = 64463071 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 165521 + ... + 165909.

It is an arithmetic number, because the mean of its divisors is an integer number (2779920).

Almost surely, 264463135 is an apocalyptic number.

64463135 is a deficient number, since it is larger than the sum of its proper divisors (24494305).

64463135 is a wasteful number, since it uses less digits than its factorization.

64463135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559.

The product of its digits is 25920, while the sum is 32.

The square root of 64463135 is about 8028.8937594167. The cubic root of 64463135 is about 400.9625464861.

The spelling of 64463135 in words is "sixty-four million, four hundred sixty-three thousand, one hundred thirty-five".

Divisors: 1 5 11 23 55 115 131 253 389 655 1265 1441 1945 3013 4279 7205 8947 15065 21395 33143 44735 50959 98417 165715 254795 492085 560549 1172057 2802745 5860285 12892627 64463135