Base | Representation |
---|---|
bin | 1000110100111… |
… | …01111000001101 |
3 | 12011022222101002 |
4 | 10122131320031 |
5 | 122424000424 |
6 | 11203030045 |
7 | 1556250302 |
oct | 432357015 |
9 | 164288332 |
10 | 74046989 |
11 | 38885665 |
12 | 2096b325 |
13 | 124578b3 |
14 | 9b970a9 |
15 | 6779cae |
hex | 469de0d |
74046989 has 8 divisors (see below), whose sum is σ = 77200992. Its totient is φ = 70958160.
The previous prime is 74046977. The next prime is 74047033. The reversal of 74046989 is 98964047.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 74046989 - 212 = 74042893 is a prime.
It is a super-2 number, since 2×740469892 = 10965913159932242, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (74046389) 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, 13967 + ... + 18524.
It is an arithmetic number, because the mean of its divisors is an integer number (9650124).
Almost surely, 274046989 is an apocalyptic number.
It is an amenable number.
74046989 is a deficient number, since it is larger than the sum of its proper divisors (3154003).
74046989 is a wasteful number, since it uses less digits than its factorization.
74046989 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32587.
The product of its (nonzero) digits is 435456, while the sum is 47.
The square root of 74046989 is about 8605.0560137631. The cubic root of 74046989 is about 419.9224894757.
The spelling of 74046989 in words is "seventy-four million, forty-six thousand, nine hundred eighty-nine".
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