Base | Representation |
---|---|
bin | 1000111111101… |
… | …10001000001110 |
3 | 12020222121121010 |
4 | 10133312020032 |
5 | 123304111123 |
6 | 11253150050 |
7 | 1604242236 |
oct | 437661016 |
9 | 166877533 |
10 | 75457038 |
11 | 39658a98 |
12 | 2132b326 |
13 | 1282c647 |
14 | a042cc6 |
15 | 6957993 |
hex | 47f620e |
75457038 has 16 divisors (see below), whose sum is σ = 155782656. Its totient is φ = 24340920.
The previous prime is 75457021. The next prime is 75457099. The reversal of 75457038 is 83075457.
It is a junction number, because it is equal to n+sod(n) for n = 75456987 and 75457005.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202656 + ... + 203027.
It is an arithmetic number, because the mean of its divisors is an integer number (9736416).
Almost surely, 275457038 is an apocalyptic number.
75457038 is an abundant number, since it is smaller than the sum of its proper divisors (80325618).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75457038 is a wasteful number, since it uses less digits than its factorization.
75457038 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 405719.
The product of its (nonzero) digits is 117600, while the sum is 39.
The square root of 75457038 is about 8686.6010614049. The cubic root of 75457038 is about 422.5712224270.
The spelling of 75457038 in words is "seventy-five million, four hundred fifty-seven thousand, thirty-eight".
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