Search a number
-
+
70530053 = 1123118803
BaseRepresentation
bin1000011010000…
…11010000000101
311220201022001012
410031003100011
5121023430203
610555412005
71514331656
oct415032005
9156638035
1070530053
11368a3300
121b754005
13117c5b79
14951d52d
1562d2bd8
hex4343405

70530053 has 12 divisors (see below), whose sum is σ = 80029824. Its totient is φ = 62046600.

The previous prime is 70530049. The next prime is 70530067. The reversal of 70530053 is 35003507.

It is not a de Polignac number, because 70530053 - 22 = 70530049 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70530023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5651 + ... + 13152.

It is an arithmetic number, because the mean of its divisors is an integer number (6669152).

Almost surely, 270530053 is an apocalyptic number.

It is an amenable number.

70530053 is a deficient number, since it is larger than the sum of its proper divisors (9499771).

70530053 is a wasteful number, since it uses less digits than its factorization.

70530053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18856 (or 18845 counting only the distinct ones).

The product of its (nonzero) digits is 1575, while the sum is 23.

The square root of 70530053 is about 8398.2172512980. The cubic root of 70530053 is about 413.1661532683.

The spelling of 70530053 in words is "seventy million, five hundred thirty thousand, fifty-three".

Divisors: 1 11 31 121 341 3751 18803 206833 582893 2275163 6411823 70530053