Base | Representation |
---|---|
bin | 1000111011111… |
… | …01111111111001 |
3 | 12020001121121221 |
4 | 10131331333321 |
5 | 123142334420 |
6 | 11234432041 |
7 | 1600122544 |
oct | 435757771 |
9 | 166047557 |
10 | 74964985 |
11 | 39352337 |
12 | 21132621 |
13 | 126b96a4 |
14 | 9d5585b |
15 | 68abcaa |
hex | 477dff9 |
74964985 has 16 divisors (see below), whose sum is σ = 95458176. Its totient is φ = 56320768.
The previous prime is 74964983. The next prime is 74965003. The reversal of 74964985 is 58946947.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 74964985 - 21 = 74964983 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (74964983) 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, 62562 + ... + 63748.
It is an arithmetic number, because the mean of its divisors is an integer number (5966136).
Almost surely, 274964985 is an apocalyptic number.
It is an amenable number.
74964985 is a deficient number, since it is larger than the sum of its proper divisors (20493191).
74964985 is a wasteful number, since it uses less digits than its factorization.
74964985 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1952.
The product of its digits is 2177280, while the sum is 52.
The square root of 74964985 is about 8658.2322098682. The cubic root of 74964985 is about 421.6506940021.
The spelling of 74964985 in words is "seventy-four million, nine hundred sixty-four thousand, nine hundred eighty-five".
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