Base | Representation |
---|---|
bin | 1000010011001… |
… | …11110001110101 |
3 | 11212000121220101 |
4 | 10021213301311 |
5 | 120311143333 |
6 | 10524234101 |
7 | 1503566050 |
oct | 411476165 |
9 | 155017811 |
10 | 69631093 |
11 | 36339964 |
12 | 1b39b931 |
13 | 1156c93c |
14 | 9367a97 |
15 | 61a667d |
hex | 4267c75 |
69631093 has 4 divisors (see below), whose sum is σ = 79578400. Its totient is φ = 59683788.
The previous prime is 69631063. The next prime is 69631103. The reversal of 69631093 is 39013696.
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 69631093 - 225 = 36076661 is a prime.
It is a super-2 number, since 2×696310932 = 9696978224749298, 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 (69631013) 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, 4973643 + ... + 4973656.
It is an arithmetic number, because the mean of its divisors is an integer number (19894600).
Almost surely, 269631093 is an apocalyptic number.
It is an amenable number.
69631093 is a deficient number, since it is larger than the sum of its proper divisors (9947307).
69631093 is an equidigital number, since it uses as much as digits as its factorization.
69631093 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9947306.
The product of its (nonzero) digits is 26244, while the sum is 37.
The square root of 69631093 is about 8344.5247318227. The cubic root of 69631093 is about 411.4032682289.
The spelling of 69631093 in words is "sixty-nine million, six hundred thirty-one thousand, ninety-three".
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