Base | Representation |
---|---|
bin | 1000010111000… |
… | …01101100011001 |
3 | 11212221222220100 |
4 | 10023201230121 |
5 | 120423133312 |
6 | 10543050013 |
7 | 1511045655 |
oct | 413415431 |
9 | 155858810 |
10 | 70130457 |
11 | 36650061 |
12 | 1b5a0909 |
13 | 116b6017 |
14 | 9457a65 |
15 | 62545dc |
hex | 42e1b19 |
70130457 has 24 divisors (see below), whose sum is σ = 108108000. Its totient is φ = 43655040.
The previous prime is 70130453. The next prime is 70130477. The reversal of 70130457 is 75403107.
It is not a de Polignac number, because 70130457 - 22 = 70130453 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 70130457.
It is not an unprimeable number, because it can be changed into a prime (70130453) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18294 + ... + 21792.
It is an arithmetic number, because the mean of its divisors is an integer number (4504500).
Almost surely, 270130457 is an apocalyptic number.
It is an amenable number.
70130457 is a deficient number, since it is larger than the sum of its proper divisors (37977543).
70130457 is a wasteful number, since it uses less digits than its factorization.
70130457 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3653 (or 3650 counting only the distinct ones).
The product of its (nonzero) digits is 2940, while the sum is 27.
The square root of 70130457 is about 8374.3929332221. The cubic root of 70130457 is about 412.3843951525.
The spelling of 70130457 in words is "seventy million, one hundred thirty thousand, four hundred fifty-seven".
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