Base | Representation |
---|---|
bin | 1001000000111… |
… | …10001001001100 |
3 | 12021021221102120 |
4 | 10200132021030 |
5 | 123324332230 |
6 | 11300452540 |
7 | 1605524133 |
oct | 440361114 |
9 | 167257376 |
10 | 75620940 |
11 | 3976014a |
12 | 213aa150 |
13 | 12889125 |
14 | a08691a |
15 | 698b310 |
hex | 481e24c |
75620940 has 48 divisors (see below), whose sum is σ = 213034752. Its totient is φ = 20042176.
The previous prime is 75620921. The next prime is 75620953. The reversal of 75620940 is 4902657.
75620940 = T101 + T102 + ... + T768.
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, 6247 + ... + 13793.
It is an arithmetic number, because the mean of its divisors is an integer number (4438224).
Almost surely, 275620940 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 75620940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106517376).
75620940 is an abundant number, since it is smaller than the sum of its proper divisors (137413812).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75620940 is a wasteful number, since it uses less digits than its factorization.
75620940 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7726 (or 7724 counting only the distinct ones).
The product of its (nonzero) digits is 15120, while the sum is 33.
The square root of 75620940 is about 8696.0301287427. The cubic root of 75620940 is about 422.8769601177.
The spelling of 75620940 in words is "seventy-five million, six hundred twenty thousand, nine hundred forty".
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