Search a number
-
+
64607930 = 2543347433
BaseRepresentation
bin1111011001110…
…1011010111010
311111120102102022
43312131122322
5113014423210
610224434442
71413105212
oct366353272
9144512368
1064607930
1133518992
1219778a22
131050145a
14881b242
155a13155
hex3d9d6ba

64607930 has 32 divisors (see below), whose sum is σ = 119617344. Its totient is φ = 25111296.

The previous prime is 64607869. The next prime is 64607951. The reversal of 64607930 is 3970646.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148994 + ... + 149426.

It is an arithmetic number, because the mean of its divisors is an integer number (3738042).

Almost surely, 264607930 is an apocalyptic number.

64607930 is a deficient number, since it is larger than the sum of its proper divisors (55009414).

64607930 is a wasteful number, since it uses less digits than its factorization.

64607930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 64607930 is about 8037.9058217921. The cubic root of 64607930 is about 401.2625316751.

The spelling of 64607930 in words is "sixty-four million, six hundred seven thousand, nine hundred thirty".

Divisors: 1 2 5 10 43 86 215 347 430 433 694 866 1735 2165 3470 4330 14921 18619 29842 37238 74605 93095 149210 150251 186190 300502 751255 1502510 6460793 12921586 32303965 64607930