Base | Representation |
---|---|
bin | 1000011100101… |
… | …11011001100101 |
3 | 11221100210211211 |
4 | 10032113121211 |
5 | 121120442400 |
6 | 11011031421 |
7 | 1520265565 |
oct | 416273145 |
9 | 157323754 |
10 | 70874725 |
11 | 37009259 |
12 | 1b89b571 |
13 | 118b6a0c |
14 | 95acda5 |
15 | 634edba |
hex | 4397665 |
70874725 has 6 divisors (see below), whose sum is σ = 87884690. Its totient is φ = 56699760.
The previous prime is 70874701. The next prime is 70874761. The reversal of 70874725 is 52747807.
It can be written as a sum of positive squares in 3 ways, for example, as 23512801 + 47361924 = 4849^2 + 6882^2 .
It is a de Polignac number, because none of the positive numbers 2k-70874725 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1417470 + ... + 1417519.
Almost surely, 270874725 is an apocalyptic number.
It is an amenable number.
70874725 is a deficient number, since it is larger than the sum of its proper divisors (17009965).
70874725 is a wasteful number, since it uses less digits than its factorization.
70874725 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2834999 (or 2834994 counting only the distinct ones).
The product of its (nonzero) digits is 109760, while the sum is 40.
The square root of 70874725 is about 8418.7127875941. The cubic root of 70874725 is about 413.8380912155.
The spelling of 70874725 in words is "seventy million, eight hundred seventy-four thousand, seven hundred twenty-five".
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