Base | Representation |
---|---|
bin | 1000111111110… |
… | …10010011111000 |
3 | 12021000111002120 |
4 | 10133322103320 |
5 | 123310133133 |
6 | 11253401240 |
7 | 1604343210 |
oct | 437722370 |
9 | 167014076 |
10 | 75474168 |
11 | 3966a950 |
12 | 21339220 |
13 | 12837393 |
14 | a049240 |
15 | 695cab3 |
hex | 47fa4f8 |
75474168 has 64 divisors (see below), whose sum is σ = 235249920. Its totient is φ = 19603200.
The previous prime is 75474131. The next prime is 75474187. The reversal of 75474168 is 86147457.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18573 + ... + 22268.
It is an arithmetic number, because the mean of its divisors is an integer number (3675780).
Almost surely, 275474168 is an apocalyptic number.
It is an amenable number.
75474168 is an abundant number, since it is smaller than the sum of its proper divisors (159775752).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75474168 is a wasteful number, since it uses less digits than its factorization.
75474168 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40868 (or 40864 counting only the distinct ones).
The product of its digits is 188160, while the sum is 42.
The square root of 75474168 is about 8687.5870067586. The cubic root of 75474168 is about 422.6031969012.
Subtracting 75474168 from its reverse (86147457), we obtain a square (10673289 = 32672).
The spelling of 75474168 in words is "seventy-five million, four hundred seventy-four thousand, one hundred sixty-eight".
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