Base | Representation |
---|---|
bin | 1000011001110… |
… | …10011100010100 |
3 | 11220122110112212 |
4 | 10030322130110 |
5 | 121021301342 |
6 | 10554532552 |
7 | 1514121533 |
oct | 414723424 |
9 | 156573485 |
10 | 70493972 |
11 | 3687918a |
12 | 1b737158 |
13 | 117b2613 |
14 | 951031a |
15 | 62c7182 |
hex | 433a714 |
70493972 has 12 divisors (see below), whose sum is σ = 123423636. Its totient is φ = 35230080.
The previous prime is 70493903. The next prime is 70493977. The reversal of 70493972 is 27939407.
It can be written as a sum of positive squares in 2 ways, for example, as 38390416 + 32103556 = 6196^2 + 5666^2 .
It is a super-3 number, since 3×704939723 (a number of 25 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70493977) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12572 + ... + 17292.
It is an arithmetic number, because the mean of its divisors is an integer number (10285303).
Almost surely, 270493972 is an apocalyptic number.
It is an amenable number.
70493972 is a deficient number, since it is larger than the sum of its proper divisors (52929664).
70493972 is a wasteful number, since it uses less digits than its factorization.
70493972 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8458 (or 8456 counting only the distinct ones).
The product of its (nonzero) digits is 95256, while the sum is 41.
The square root of 70493972 is about 8396.0688420236. The cubic root of 70493972 is about 413.0956868967.
The spelling of 70493972 in words is "seventy million, four hundred ninety-three thousand, nine hundred seventy-two".
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