Base | Representation |
---|---|
bin | 1000111100100… |
… | …11100101011111 |
3 | 12020020002220211 |
4 | 10132103211133 |
5 | 123203202112 |
6 | 11240353251 |
7 | 1600641412 |
oct | 436234537 |
9 | 166202824 |
10 | 75053407 |
11 | 39402810 |
12 | 21175827 |
13 | 1271aa00 |
14 | 9d79b79 |
15 | 68c80a7 |
hex | 479395f |
75053407 has 24 divisors (see below), whose sum is σ = 90650880. Its totient is φ = 61570080.
The previous prime is 75053399. The next prime is 75053423. The reversal of 75053407 is 70435057.
It is not a de Polignac number, because 75053407 - 23 = 75053399 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (75053107) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86944 + ... + 87802.
It is an arithmetic number, because the mean of its divisors is an integer number (3777120).
Almost surely, 275053407 is an apocalyptic number.
75053407 is a deficient number, since it is larger than the sum of its proper divisors (15597473).
75053407 is a wasteful number, since it uses less digits than its factorization.
75053407 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 943 (or 930 counting only the distinct ones).
The product of its (nonzero) digits is 14700, while the sum is 31.
The square root of 75053407 is about 8663.3369436955. The cubic root of 75053407 is about 421.8164093630.
The spelling of 75053407 in words is "seventy-five million, fifty-three thousand, four hundred seven".
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