Base | Representation |
---|---|
bin | 111011110110… |
… | …1111000110110 |
3 | 2012001102111211 |
4 | 1313231320312 |
5 | 31013224334 |
6 | 3040352034 |
7 | 530515621 |
oct | 167557066 |
9 | 65042454 |
10 | 31383094 |
11 | 16795646 |
12 | a61561a |
13 | 666a6a2 |
14 | 424cdb8 |
15 | 2b4da64 |
hex | 1dede36 |
31383094 has 4 divisors (see below), whose sum is σ = 47074644. Its totient is φ = 15691546.
The previous prime is 31383083. The next prime is 31383161. The reversal of 31383094 is 49038313.
It is a semiprime because it is the product of two primes.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7845772 + ... + 7845775.
It is an arithmetic number, because the mean of its divisors is an integer number (11768661).
Almost surely, 231383094 is an apocalyptic number.
31383094 is a deficient number, since it is larger than the sum of its proper divisors (15691550).
31383094 is a wasteful number, since it uses less digits than its factorization.
31383094 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15691549.
The product of its (nonzero) digits is 7776, while the sum is 31.
The square root of 31383094 is about 5602.0615848096. The cubic root of 31383094 is about 315.4267969603.
It can be divided in two parts, 3138309 and 4, that added together give a palindrome (3138313).
The spelling of 31383094 in words is "thirty-one million, three hundred eighty-three thousand, ninety-four".
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