Base | Representation |
---|---|
bin | 1000001110101… |
… | …01010010000010 |
3 | 11210220010210021 |
4 | 10013111102002 |
5 | 120132443132 |
6 | 10503324054 |
7 | 1465516453 |
oct | 407252202 |
9 | 153803707 |
10 | 69031042 |
11 | 35a6a053 |
12 | 1b15062a |
13 | 113bc792 |
14 | 924d12a |
15 | 60d8997 |
hex | 41d5482 |
69031042 has 4 divisors (see below), whose sum is σ = 103546566. Its totient is φ = 34515520.
The previous prime is 69031021. The next prime is 69031091. The reversal of 69031042 is 24013096.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 66569281 + 2461761 = 8159^2 + 1569^2 .
It is a junction number, because it is equal to n+sod(n) for n = 69030998 and 69031016.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17257759 + ... + 17257762.
Almost surely, 269031042 is an apocalyptic number.
69031042 is a deficient number, since it is larger than the sum of its proper divisors (34515524).
69031042 is a wasteful number, since it uses less digits than its factorization.
69031042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34515523.
The product of its (nonzero) digits is 1296, while the sum is 25.
The square root of 69031042 is about 8308.4921616380. The cubic root of 69031042 is about 410.2180913863.
The spelling of 69031042 in words is "sixty-nine million, thirty-one thousand, forty-two".
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