Base | Representation |
---|---|
bin | 1000111011111… |
… | …00100011011101 |
3 | 12020001022111211 |
4 | 10131330203131 |
5 | 123142142234 |
6 | 11234344421 |
7 | 1600066363 |
oct | 435744335 |
9 | 166038454 |
10 | 74959069 |
11 | 39348949 |
12 | 2112b111 |
13 | 126b6aa3 |
14 | 9d53633 |
15 | 68aa164 |
hex | 477c8dd |
74959069 has 16 divisors (see below), whose sum is σ = 80967600. Its totient is φ = 69145600.
The previous prime is 74959067. The next prime is 74959099. The reversal of 74959069 is 96095947.
It can be written as a sum of positive squares in 8 ways, for example, as 17123044 + 57836025 = 4138^2 + 7605^2 .
It is a cyclic number.
It is not a de Polignac number, because 74959069 - 21 = 74959067 is a prime.
It is a super-2 number, since 2×749590692 = 11237724050693522, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (74959067) 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, 255687 + ... + 255979.
It is an arithmetic number, because the mean of its divisors is an integer number (5060475).
Almost surely, 274959069 is an apocalyptic number.
It is an amenable number.
74959069 is a deficient number, since it is larger than the sum of its proper divisors (6008531).
74959069 is a wasteful number, since it uses less digits than its factorization.
74959069 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 560.
The product of its (nonzero) digits is 612360, while the sum is 49.
The square root of 74959069 is about 8657.8905629489. The cubic root of 74959069 is about 421.6396019297.
The spelling of 74959069 in words is "seventy-four million, nine hundred fifty-nine thousand, sixty-nine".
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