Search a number
-
+
64472676 = 2235372723
BaseRepresentation
bin1111010111110…
…0011001100100
311111022112212220
43311330121210
5113001111201
610221512340
71412002662
oct365743144
9144275786
1064472676
1133436304
12197126b0
1310484a18
1487c3c32
1559d8036
hex3d7c664

64472676 has 12 divisors (see below), whose sum is σ = 150436272. Its totient is φ = 21490888.

The previous prime is 64472671. The next prime is 64472701. The reversal of 64472676 is 67627446.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (64472671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2686350 + ... + 2686373.

It is an arithmetic number, because the mean of its divisors is an integer number (12536356).

Almost surely, 264472676 is an apocalyptic number.

It is an amenable number.

64472676 is an abundant number, since it is smaller than the sum of its proper divisors (85963596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64472676 is a wasteful number, since it uses less digits than its factorization.

64472676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5372730 (or 5372728 counting only the distinct ones).

The product of its digits is 338688, while the sum is 42.

The square root of 64472676 is about 8029.4879039700. The cubic root of 64472676 is about 400.9823272747.

The spelling of 64472676 in words is "sixty-four million, four hundred seventy-two thousand, six hundred seventy-six".

Divisors: 1 2 3 4 6 12 5372723 10745446 16118169 21490892 32236338 64472676