Base | Representation |
---|---|
bin | 111011001011… |
… | …0001110100101 |
3 | 2011101011222102 |
4 | 1312112032211 |
5 | 30420232122 |
6 | 3024541445 |
7 | 524462042 |
oct | 166261645 |
9 | 64334872 |
10 | 31024037 |
11 | 1656a900 |
12 | a481885 |
13 | 6573125 |
14 | 41981c9 |
15 | 2acc492 |
hex | 1d963a5 |
31024037 has 12 divisors (see below), whose sum is σ = 34417740. Its totient is φ = 27941760.
The previous prime is 31024013. The next prime is 31024043. The reversal of 31024037 is 73042013.
It can be written as a sum of positive squares in 2 ways, for example, as 894916 + 30129121 = 946^2 + 5489^2 .
It is not a de Polignac number, because 31024037 - 28 = 31023781 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31024057) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12539 + ... + 14807.
It is an arithmetic number, because the mean of its divisors is an integer number (2868145).
Almost surely, 231024037 is an apocalyptic number.
It is an amenable number.
31024037 is a deficient number, since it is larger than the sum of its proper divisors (3393703).
31024037 is a wasteful number, since it uses less digits than its factorization.
31024037 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2404 (or 2393 counting only the distinct ones).
The product of its (nonzero) digits is 504, while the sum is 20.
The square root of 31024037 is about 5569.9225308796. The cubic root of 31024037 is about 314.2192371303.
The spelling of 31024037 in words is "thirty-one million, twenty-four thousand, thirty-seven".
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