Base | Representation |
---|---|
bin | 1000010101110… |
… | …00100000010100 |
3 | 11212122102110212 |
4 | 10022320200110 |
5 | 120402233443 |
6 | 10535304552 |
7 | 1506444053 |
oct | 412704024 |
9 | 155572425 |
10 | 69961748 |
11 | 3654532a |
12 | 1b51b158 |
13 | 116572ac |
14 | 941239a |
15 | 621e618 |
hex | 42b8814 |
69961748 has 12 divisors (see below), whose sum is σ = 122500980. Its totient is φ = 34961472.
The previous prime is 69961747. The next prime is 69961751. The reversal of 69961748 is 84716996.
It can be written as a sum of positive squares in 2 ways, for example, as 12475024 + 57486724 = 3532^2 + 7582^2 .
It is a junction number, because it is equal to n+sod(n) for n = 69961696 and 69961705.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (69961741) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5918 + ... + 13226.
It is an arithmetic number, because the mean of its divisors is an integer number (10208415).
Almost surely, 269961748 is an apocalyptic number.
It is an amenable number.
69961748 is a deficient number, since it is larger than the sum of its proper divisors (52539232).
69961748 is a wasteful number, since it uses less digits than its factorization.
69961748 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9706 (or 9704 counting only the distinct ones).
The product of its digits is 653184, while the sum is 50.
The square root of 69961748 is about 8364.3139587177. The cubic root of 69961748 is about 412.0534461095.
The spelling of 69961748 in words is "sixty-nine million, nine hundred sixty-one thousand, seven hundred forty-eight".
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