Base | Representation |
---|---|
bin | 1000111111111… |
… | …10010110011000 |
3 | 12021001022210022 |
4 | 10133332112120 |
5 | 123311200322 |
6 | 11254010012 |
7 | 1604442353 |
oct | 437762630 |
9 | 167038708 |
10 | 75490712 |
11 | 39681320 |
12 | 21346908 |
13 | 12841a7b |
14 | a05129a |
15 | 6962942 |
hex | 47fe598 |
75490712 has 32 divisors (see below), whose sum is σ = 159742800. Its totient is φ = 33129600.
The previous prime is 75490711. The next prime is 75490721. The reversal of 75490712 is 21709457.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (75490711) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12239 + ... + 17342.
Almost surely, 275490712 is an apocalyptic number.
It is an amenable number.
75490712 is an abundant number, since it is smaller than the sum of its proper divisors (84252088).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75490712 is a wasteful number, since it uses less digits than its factorization.
75490712 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29627 (or 29623 counting only the distinct ones).
The product of its (nonzero) digits is 17640, while the sum is 35.
The square root of 75490712 is about 8688.5391177113. The cubic root of 75490712 is about 422.6340729686.
The spelling of 75490712 in words is "seventy-five million, four hundred ninety thousand, seven hundred twelve".
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