Base | Representation |
---|---|
bin | 1000011010010… |
… | …11100011001000 |
3 | 11220210000122222 |
4 | 10031023203020 |
5 | 121031022130 |
6 | 11000233212 |
7 | 1514533031 |
oct | 415134310 |
9 | 156700588 |
10 | 70564040 |
11 | 36916898 |
12 | 1b76b808 |
13 | 11808491 |
14 | 952ba88 |
15 | 62dcce5 |
hex | 434b8c8 |
70564040 has 16 divisors (see below), whose sum is σ = 158769180. Its totient is φ = 28225600.
The previous prime is 70564031. The next prime is 70564049. The reversal of 70564040 is 4046507.
It is an interprime number because it is at equal distance from previous prime (70564031) and next prime (70564049).
It can be written as a sum of positive squares in 2 ways, for example, as 70526404 + 37636 = 8398^2 + 194^2 .
It is a super-2 number, since 2×705640402 = 9958567482243200, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (70564049) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 882011 + ... + 882090.
Almost surely, 270564040 is an apocalyptic number.
It is an amenable number.
70564040 is an abundant number, since it is smaller than the sum of its proper divisors (88205140).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70564040 is a wasteful number, since it uses less digits than its factorization.
70564040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1764112 (or 1764108 counting only the distinct ones).
The product of its (nonzero) digits is 3360, while the sum is 26.
The square root of 70564040 is about 8400.2404727484. The cubic root of 70564040 is about 413.2325080702.
The spelling of 70564040 in words is "seventy million, five hundred sixty-four thousand, forty".
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