Base | Representation |
---|---|
bin | 1000010101110… |
… | …11101100101001 |
3 | 11212200002102012 |
4 | 10022323230221 |
5 | 120403143300 |
6 | 10535445305 |
7 | 1506530144 |
oct | 412735451 |
9 | 155602365 |
10 | 69974825 |
11 | 36554138 |
12 | 1b526835 |
13 | 1166022b |
14 | 941705b |
15 | 6223435 |
hex | 42bbb29 |
69974825 has 12 divisors (see below), whose sum is σ = 89761740. Its totient is φ = 54048960.
The previous prime is 69974797. The next prime is 69974833. The reversal of 69974825 is 52847996.
It is a happy number.
It can be written as a sum of positive squares in 6 ways, for example, as 885481 + 69089344 = 941^2 + 8312^2 .
It is not a de Polignac number, because 69974825 - 216 = 69909289 is a prime.
It is a super-2 number, since 2×699748252 = 9792952267561250, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47534 + ... + 48983.
It is an arithmetic number, because the mean of its divisors is an integer number (7480145).
Almost surely, 269974825 is an apocalyptic number.
It is an amenable number.
69974825 is a deficient number, since it is larger than the sum of its proper divisors (19786915).
69974825 is a wasteful number, since it uses less digits than its factorization.
69974825 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 96556 (or 96551 counting only the distinct ones).
The product of its digits is 1088640, while the sum is 50.
The square root of 69974825 is about 8365.0956360343. The cubic root of 69974825 is about 412.0791176961.
The spelling of 69974825 in words is "sixty-nine million, nine hundred seventy-four thousand, eight hundred twenty-five".
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