Base | Representation |
---|---|
bin | 1000010001100… |
… | …01000110101001 |
3 | 11211121020201000 |
4 | 10020301012221 |
5 | 120232012040 |
6 | 10515345213 |
7 | 1501644123 |
oct | 410610651 |
9 | 154536630 |
10 | 69407145 |
11 | 361a6685 |
12 | 1b2b2209 |
13 | 114c1a22 |
14 | 930a213 |
15 | 6160130 |
hex | 42311a9 |
69407145 has 16 divisors (see below), whose sum is σ = 123390720. Its totient is φ = 37017072.
The previous prime is 69407119. The next prime is 69407183. The reversal of 69407145 is 54170496.
It is not a de Polignac number, because 69407145 - 29 = 69406633 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 256929 + ... + 257198.
It is an arithmetic number, because the mean of its divisors is an integer number (7711920).
Almost surely, 269407145 is an apocalyptic number.
It is an amenable number.
69407145 is a deficient number, since it is larger than the sum of its proper divisors (53983575).
69407145 is a wasteful number, since it uses less digits than its factorization.
69407145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 514141 (or 514135 counting only the distinct ones).
The product of its (nonzero) digits is 30240, while the sum is 36.
The square root of 69407145 is about 8331.0950660762. The cubic root of 69407145 is about 410.9617418701.
The spelling of 69407145 in words is "sixty-nine million, four hundred seven thousand, one hundred forty-five".
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