Base | Representation |
---|---|
bin | 1000010110010… |
… | …11000000010101 |
3 | 11212210021102102 |
4 | 10023023000111 |
5 | 120412200100 |
6 | 10541051445 |
7 | 1510211015 |
oct | 413130025 |
9 | 155707372 |
10 | 70037525 |
11 | 36597258 |
12 | 1b556b85 |
13 | 1168292c |
14 | 9431c45 |
15 | 6236cd5 |
hex | 42cb015 |
70037525 has 12 divisors (see below), whose sum is σ = 89649024. Its totient is φ = 54222000.
The previous prime is 70037519. The next prime is 70037531. The reversal of 70037525 is 52573007.
It is an interprime number because it is at equal distance from previous prime (70037519) and next prime (70037531).
It is not a de Polignac number, because 70037525 - 28 = 70037269 is a prime.
It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44411 + ... + 45960.
It is an arithmetic number, because the mean of its divisors is an integer number (7470752).
Almost surely, 270037525 is an apocalyptic number.
It is an amenable number.
70037525 is a deficient number, since it is larger than the sum of its proper divisors (19611499).
70037525 is a wasteful number, since it uses less digits than its factorization.
70037525 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 90412 (or 90407 counting only the distinct ones).
The product of its (nonzero) digits is 7350, while the sum is 29.
The square root of 70037525 is about 8368.8425125581. The cubic root of 70037525 is about 412.2021602687.
The spelling of 70037525 in words is "seventy million, thirty-seven thousand, five hundred twenty-five".
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