Search a number
-
+
53115007 = 112438967
BaseRepresentation
bin1100101010011…
…1100001111111
310200221112002111
43022213201333
5102044140012
65134234451
71213320151
oct312474177
9120845074
1053115007
1127a89100
1215955a27
13b0091ca
1470a8ad1
1549e2ba7
hex32a787f

53115007 has 6 divisors (see below), whose sum is σ = 58382744. Its totient is φ = 48286260.

The previous prime is 53114989. The next prime is 53115031. The reversal of 53115007 is 70051135.

It is not a de Polignac number, because 53115007 - 27 = 53114879 is a prime.

It is a super-2 number, since 2×531150072 = 5642407937220098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53115047) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 219363 + ... + 219604.

Almost surely, 253115007 is an apocalyptic number.

53115007 is a deficient number, since it is larger than the sum of its proper divisors (5267737).

53115007 is a wasteful number, since it uses less digits than its factorization.

53115007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438989 (or 438978 counting only the distinct ones).

The product of its (nonzero) digits is 525, while the sum is 22.

The square root of 53115007 is about 7288.0043221722. The cubic root of 53115007 is about 375.9000767181.

The spelling of 53115007 in words is "fifty-three million, one hundred fifteen thousand, seven".

Divisors: 1 11 121 438967 4828637 53115007