Base | Representation |
---|---|
bin | 1001000011010… |
… | …01110110111101 |
3 | 12021212200211211 |
4 | 10201221312331 |
5 | 123414243234 |
6 | 11311244421 |
7 | 1611255244 |
oct | 441516675 |
9 | 167780754 |
10 | 75931069 |
11 | 39952155 |
12 | 21519711 |
13 | 12967336 |
14 | a12795b |
15 | 69ed164 |
hex | 4869dbd |
75931069 has 4 divisors (see below), whose sum is σ = 76160800. Its totient is φ = 75701340.
The previous prime is 75931043. The next prime is 75931081. The reversal of 75931069 is 96013957.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 75931069 - 213 = 75922877 is a prime.
It is a super-2 number, since 2×759310692 = 11531054478965522, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (75931039) 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, 114369 + ... + 115030.
It is an arithmetic number, because the mean of its divisors is an integer number (19040200).
Almost surely, 275931069 is an apocalyptic number.
It is an amenable number.
75931069 is a deficient number, since it is larger than the sum of its proper divisors (229731).
75931069 is a wasteful number, since it uses less digits than its factorization.
75931069 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 229730.
The product of its (nonzero) digits is 51030, while the sum is 40.
The square root of 75931069 is about 8713.8435262518. The cubic root of 75931069 is about 423.4542584808.
The spelling of 75931069 in words is "seventy-five million, nine hundred thirty-one thousand, sixty-nine".
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