Base | Representation |
---|---|
bin | 1000110101110… |
… | …01100101101001 |
3 | 12011112202001210 |
4 | 10122321211221 |
5 | 122441113424 |
6 | 11205303333 |
7 | 1560232224 |
oct | 432714551 |
9 | 164482053 |
10 | 74160489 |
11 | 38952967 |
12 | 20a04b49 |
13 | 12497460 |
14 | 9bc65bb |
15 | 679d729 |
hex | 46b9969 |
74160489 has 8 divisors (see below), whose sum is σ = 106486912. Its totient is φ = 45637200.
The previous prime is 74160473. The next prime is 74160529. The reversal of 74160489 is 98406147.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 74160489 - 24 = 74160473 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 1901551 = 74160489 / (7 + 4 + 1 + 6 + 0 + 4 + 8 + 9).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (74160389) 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, 950737 + ... + 950814.
It is an arithmetic number, because the mean of its divisors is an integer number (13310864).
Almost surely, 274160489 is an apocalyptic number.
It is an amenable number.
74160489 is a deficient number, since it is larger than the sum of its proper divisors (32326423).
74160489 is a wasteful number, since it uses less digits than its factorization.
74160489 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1901567.
The product of its (nonzero) digits is 48384, while the sum is 39.
The square root of 74160489 is about 8611.6484484679. The cubic root of 74160489 is about 420.1369338083.
The spelling of 74160489 in words is "seventy-four million, one hundred sixty thousand, four hundred eighty-nine".
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