Search a number
-
+
63079930 = 2529217517
BaseRepresentation
bin1111000010100…
…0010111111010
311101200210101201
43300220113322
5112122024210
610132004414
71364112334
oct360502772
9141623351
1063079930
1132674981
121916070a
13100b7b04
148540454
15581053a
hex3c285fa

63079930 has 16 divisors (see below), whose sum is σ = 117459720. Its totient is φ = 24361792.

The previous prime is 63079883. The next prime is 63079949. The reversal of 63079930 is 3997036.

It can be written as a sum of positive squares in 4 ways, for example, as 62457409 + 622521 = 7903^2 + 789^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 63079930.

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, 108469 + ... + 109048.

Almost surely, 263079930 is an apocalyptic number.

63079930 is a deficient number, since it is larger than the sum of its proper divisors (54379790).

63079930 is a wasteful number, since it uses less digits than its factorization.

63079930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217553.

The product of its (nonzero) digits is 30618, while the sum is 37.

The square root of 63079930 is about 7942.2874538762. The cubic root of 63079930 is about 398.0739280026.

It can be divided in two parts, 63079 and 930, that added together give a square (64009 = 2532).

The spelling of 63079930 in words is "sixty-three million, seventy-nine thousand, nine hundred thirty".

Divisors: 1 2 5 10 29 58 145 290 217517 435034 1087585 2175170 6307993 12615986 31539965 63079930