Search a number
-
+
64805828 = 2233148947
BaseRepresentation
bin1111011100110…
…1101111000100
311111221110212212
43313031233010
5113042241303
610233002552
71414561163
oct367155704
9144843785
1064805828
113364363a
1219853458
1310570559
14886d3da
155a51ad8
hex3dcdbc4

64805828 has 12 divisors (see below), whose sum is σ = 113755152. Its totient is φ = 32304360.

The previous prime is 64805813. The next prime is 64805837. The reversal of 64805828 is 82850846.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23150 + ... + 25797.

It is an arithmetic number, because the mean of its divisors is an integer number (9479596).

Almost surely, 264805828 is an apocalyptic number.

It is an amenable number.

64805828 is a deficient number, since it is larger than the sum of its proper divisors (48949324).

64805828 is a wasteful number, since it uses less digits than its factorization.

64805828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49282 (or 49280 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 41.

The square root of 64805828 is about 8050.2067054207. The cubic root of 64805828 is about 401.6718112168.

The spelling of 64805828 in words is "sixty-four million, eight hundred five thousand, eight hundred twenty-eight".

Divisors: 1 2 4 331 662 1324 48947 97894 195788 16201457 32402914 64805828