Base | Representation |
---|---|
bin | 111011010111… |
… | …0101000101010 |
3 | 2011120021010010 |
4 | 1312232220222 |
5 | 30431432020 |
6 | 3031032350 |
7 | 525356361 |
oct | 166565052 |
9 | 64507103 |
10 | 31124010 |
11 | 16628a25 |
12 | a50b6b6 |
13 | 65a9798 |
14 | 41c27d8 |
15 | 2aebde0 |
hex | 1daea2a |
31124010 has 32 divisors (see below), whose sum is σ = 74934720. Its totient is φ = 8273408.
The previous prime is 31124003. The next prime is 31124021. The reversal of 31124010 is 1042113.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9121 + ... + 12059.
It is an arithmetic number, because the mean of its divisors is an integer number (2341710).
Almost surely, 231124010 is an apocalyptic number.
31124010 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
31124010 is an abundant number, since it is smaller than the sum of its proper divisors (43810710).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31124010 is a wasteful number, since it uses less digits than its factorization.
31124010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3302.
The product of its (nonzero) digits is 24, while the sum is 12.
The square root of 31124010 is about 5578.8896744782. The cubic root of 31124010 is about 314.5563924514.
Adding to 31124010 its reverse (1042113), we get a palindrome (32166123).
The spelling of 31124010 in words is "thirty-one million, one hundred twenty-four thousand, ten".
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