Base | Representation |
---|---|
bin | 1000111011111… |
… | …11010110101101 |
3 | 12020001220020201 |
4 | 10131333112231 |
5 | 123143024131 |
6 | 11234513501 |
7 | 1600145002 |
oct | 435772655 |
9 | 166056221 |
10 | 74970541 |
11 | 39356528 |
12 | 21135891 |
13 | 126bc089 |
14 | 9d578a9 |
15 | 68ad761 |
hex | 477f5ad |
74970541 has 2 divisors, whose sum is σ = 74970542. Its totient is φ = 74970540.
The previous prime is 74970503. The next prime is 74970557. The reversal of 74970541 is 14507947.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 54449641 + 20520900 = 7379^2 + 4530^2 .
It is a cyclic number.
It is not a de Polignac number, because 74970541 - 211 = 74968493 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 74970541.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (74970341) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37485270 + 37485271.
It is an arithmetic number, because the mean of its divisors is an integer number (37485271).
Almost surely, 274970541 is an apocalyptic number.
It is an amenable number.
74970541 is a deficient number, since it is larger than the sum of its proper divisors (1).
74970541 is an equidigital number, since it uses as much as digits as its factorization.
74970541 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 35280, while the sum is 37.
The square root of 74970541 is about 8658.5530546391. The cubic root of 74970541 is about 421.6611105692.
The spelling of 74970541 in words is "seventy-four million, nine hundred seventy thousand, five hundred forty-one".
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