Base | Representation |
---|---|
bin | 1000111101010… |
… | …01111100110000 |
3 | 12020101202120110 |
4 | 10132221330300 |
5 | 123214120013 |
6 | 11242341320 |
7 | 1601502441 |
oct | 436517460 |
9 | 166352513 |
10 | 75145008 |
11 | 39465614 |
12 | 211ba840 |
13 | 12750603 |
14 | 9da12c8 |
15 | 68e52c3 |
hex | 47a9f30 |
75145008 has 20 divisors (see below), whose sum is σ = 194124728. Its totient is φ = 25048320.
The previous prime is 75144997. The next prime is 75145009. The reversal of 75145008 is 80054157.
It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (75145009) 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, 782713 + ... + 782808.
Almost surely, 275145008 is an apocalyptic number.
It is an amenable number.
75145008 is an abundant number, since it is smaller than the sum of its proper divisors (118979720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75145008 is a wasteful number, since it uses less digits than its factorization.
75145008 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1565532 (or 1565526 counting only the distinct ones).
The product of its (nonzero) digits is 5600, while the sum is 30.
The square root of 75145008 is about 8668.6220358255. The cubic root of 75145008 is about 421.9879454191.
The spelling of 75145008 in words is "seventy-five million, one hundred forty-five thousand, eight".
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