Base | Representation |
---|---|
bin | 1000011000111… |
… | …10100101010100 |
3 | 11220102200000111 |
4 | 10030132211110 |
5 | 121004123420 |
6 | 10552252404 |
7 | 1513135045 |
oct | 414364524 |
9 | 156380014 |
10 | 70379860 |
11 | 36800481 |
12 | 1b6a1104 |
13 | 117726b5 |
14 | 94c08cc |
15 | 62a345a |
hex | 431e954 |
70379860 has 24 divisors (see below), whose sum is σ = 148659336. Its totient is φ = 27987840.
The previous prime is 70379843. The next prime is 70379873. The reversal of 70379860 is 6897307.
It can be written as a sum of positive squares in 4 ways, for example, as 24167056 + 46212804 = 4916^2 + 6798^2 .
It is a congruent number.
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, 6711 + ... + 13630.
It is an arithmetic number, because the mean of its divisors is an integer number (6194139).
Almost surely, 270379860 is an apocalyptic number.
It is an amenable number.
70379860 is an abundant number, since it is smaller than the sum of its proper divisors (78279476).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70379860 is a wasteful number, since it uses less digits than its factorization.
70379860 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20523 (or 20521 counting only the distinct ones).
The product of its (nonzero) digits is 63504, while the sum is 40.
The square root of 70379860 is about 8389.2705284786. The cubic root of 70379860 is about 412.8726671970.
The spelling of 70379860 in words is "seventy million, three hundred seventy-nine thousand, eight hundred sixty".
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