Base | Representation |
---|---|
bin | 111011001000… |
… | …1100011010100 |
3 | 2011100012201001 |
4 | 1312101203110 |
5 | 30414124014 |
6 | 3024313044 |
7 | 524352151 |
oct | 166214324 |
9 | 64305631 |
10 | 31004884 |
11 | 16557479 |
12 | a472784 |
13 | 65674b1 |
14 | 4191228 |
15 | 2ac6974 |
hex | 1d918d4 |
31004884 has 12 divisors (see below), whose sum is σ = 57114400. Its totient is φ = 14686488.
The previous prime is 31004873. The next prime is 31004917. The reversal of 31004884 is 48840013.
It is a super-2 number, since 2×310048842 = 1922605663706912, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203904 + ... + 204055.
Almost surely, 231004884 is an apocalyptic number.
It is an amenable number.
31004884 is a deficient number, since it is larger than the sum of its proper divisors (26109516).
31004884 is a wasteful number, since it uses less digits than its factorization.
31004884 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 407982 (or 407980 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 28.
The square root of 31004884 is about 5568.2029417039. The cubic root of 31004884 is about 314.1545616880.
Adding to 31004884 its reverse (48840013), we get a palindrome (79844897).
The spelling of 31004884 in words is "thirty-one million, four thousand, eight hundred eighty-four".
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