Search a number
-
+
64342572 = 2237765983
BaseRepresentation
bin1111010101110…
…0101000101100
311111001221102020
43311130220230
5112432430242
610215030140
71410621450
oct365345054
9144057366
1064342572
1133357588
121966b350
131043a738
14878c660
1559ae6ec
hex3d5ca2c

64342572 has 24 divisors (see below), whose sum is σ = 171580416. Its totient is φ = 18383568.

The previous prime is 64342567. The next prime is 64342601. The reversal of 64342572 is 27524346.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 382908 + ... + 383075.

It is an arithmetic number, because the mean of its divisors is an integer number (7149184).

Almost surely, 264342572 is an apocalyptic number.

It is an amenable number.

64342572 is an abundant number, since it is smaller than the sum of its proper divisors (107237844).

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

64342572 is a wasteful number, since it uses less digits than its factorization.

64342572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765997 (or 765995 counting only the distinct ones).

The product of its digits is 40320, while the sum is 33.

The square root of 64342572 is about 8021.3821751616. The cubic root of 64342572 is about 400.7124220504.

The spelling of 64342572 in words is "sixty-four million, three hundred forty-two thousand, five hundred seventy-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 765983 1531966 2297949 3063932 4595898 5361881 9191796 10723762 16085643 21447524 32171286 64342572