Base | Representation |
---|---|
bin | 1000001110110… |
… | …00110111010101 |
3 | 11210220212220210 |
4 | 10013120313111 |
5 | 120133430332 |
6 | 10503520033 |
7 | 1465610316 |
oct | 407306725 |
9 | 153825823 |
10 | 69045717 |
11 | 35a7a084 |
12 | 1b159019 |
13 | 113c6370 |
14 | 925460d |
15 | 60dcecc |
hex | 41d8dd5 |
69045717 has 16 divisors (see below), whose sum is σ = 100771328. Its totient is φ = 41791680.
The previous prime is 69045703. The next prime is 69045719. The reversal of 69045717 is 71754096.
It is not a de Polignac number, because 69045717 - 28 = 69045461 is a prime.
It is a super-2 number, since 2×690457172 = 9534622072088178, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (69045719) 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, 12133 + ... + 16890.
It is an arithmetic number, because the mean of its divisors is an integer number (6298208).
Almost surely, 269045717 is an apocalyptic number.
It is an amenable number.
69045717 is a deficient number, since it is larger than the sum of its proper divisors (31725611).
69045717 is a wasteful number, since it uses less digits than its factorization.
69045717 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29100.
The product of its (nonzero) digits is 52920, while the sum is 39.
The square root of 69045717 is about 8309.3752472734. The cubic root of 69045717 is about 410.2471581355.
It can be divided in two parts, 6904 and 5717, that added together give a palindrome (12621).
The spelling of 69045717 in words is "sixty-nine million, forty-five thousand, seven hundred seventeen".
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