Base | Representation |
---|---|
bin | 1000111011111… |
… | …10000010000001 |
3 | 12020001121210222 |
4 | 10131332002001 |
5 | 123142340441 |
6 | 11234432425 |
7 | 1600123130 |
oct | 435760201 |
9 | 166047728 |
10 | 74965121 |
11 | 39352450 |
12 | 21132715 |
13 | 126b977a |
14 | 9d55917 |
15 | 68abd4b |
hex | 477e081 |
74965121 has 16 divisors (see below), whose sum is σ = 98962560. Its totient is φ = 54977280.
The previous prime is 74965103. The next prime is 74965133. The reversal of 74965121 is 12156947.
It is a cyclic number.
It is not a de Polignac number, because 74965121 - 26 = 74965057 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (74965321) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27326 + ... + 29943.
It is an arithmetic number, because the mean of its divisors is an integer number (6185160).
Almost surely, 274965121 is an apocalyptic number.
It is an amenable number.
74965121 is a deficient number, since it is larger than the sum of its proper divisors (23997439).
74965121 is a wasteful number, since it uses less digits than its factorization.
74965121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 57304.
The product of its digits is 15120, while the sum is 35.
The square root of 74965121 is about 8658.2400636619. The cubic root of 74965121 is about 421.6509489855.
The spelling of 74965121 in words is "seventy-four million, nine hundred sixty-five thousand, one hundred twenty-one".
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