Base | Representation |
---|---|
bin | 1000111101101… |
… | …11110110010100 |
3 | 12020111122200001 |
4 | 10132313312110 |
5 | 123222430230 |
6 | 11243501044 |
7 | 1602130432 |
oct | 436676624 |
9 | 166448601 |
10 | 75201940 |
11 | 394a4370 |
12 | 21227784 |
13 | 127704b8 |
14 | 9db7d52 |
15 | 69070ca |
hex | 47b7d94 |
75201940 has 24 divisors (see below), whose sum is σ = 172281312. Its totient is φ = 27346080.
The previous prime is 75201923. The next prime is 75201941. The reversal of 75201940 is 4910257.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 75201899 and 75201908.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (75201941) 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, 170694 + ... + 171133.
It is an arithmetic number, because the mean of its divisors is an integer number (7178388).
Almost surely, 275201940 is an apocalyptic number.
It is an amenable number.
75201940 is an abundant number, since it is smaller than the sum of its proper divisors (97079372).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75201940 is a wasteful number, since it uses less digits than its factorization.
75201940 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 341847 (or 341845 counting only the distinct ones).
The product of its (nonzero) digits is 2520, while the sum is 28.
The square root of 75201940 is about 8671.9052116591. The cubic root of 75201940 is about 422.0944885488.
The spelling of 75201940 in words is "seventy-five million, two hundred one thousand, nine hundred forty".
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