Base | Representation |
---|---|
bin | 111011001110… |
… | …1100010111100 |
3 | 2011102201002121 |
4 | 1312131202330 |
5 | 30422212022 |
6 | 3025332324 |
7 | 524645323 |
oct | 166354274 |
9 | 64381077 |
10 | 31054012 |
11 | 16590380 |
12 | a4970a4 |
13 | 6583972 |
14 | 41a50ba |
15 | 2ad62c7 |
hex | 1d9d8bc |
31054012 has 24 divisors (see below), whose sum is σ = 61331760. Its totient is φ = 13628160.
The previous prime is 31053977. The next prime is 31054021. The reversal of 31054012 is 21045013.
It is a super-2 number, since 2×310540122 = 1928703322592288, 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 7 ways as a sum of consecutive naturals, for example, 10893 + ... + 13444.
It is an arithmetic number, because the mean of its divisors is an integer number (2555490).
Almost surely, 231054012 is an apocalyptic number.
It is an amenable number.
31054012 is a deficient number, since it is larger than the sum of its proper divisors (30277748).
31054012 is a wasteful number, since it uses less digits than its factorization.
31054012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24381 (or 24379 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 16.
The square root of 31054012 is about 5572.6126727057. The cubic root of 31054012 is about 314.3204026647.
Adding to 31054012 its reverse (21045013), we get a palindrome (52099025).
It can be divided in two parts, 3105 and 4012, that added together give a palindrome (7117).
The spelling of 31054012 in words is "thirty-one million, fifty-four thousand, twelve".
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