Base | Representation |
---|---|
bin | 111011010100… |
… | …1000111110000 |
3 | 2011112010010121 |
4 | 1312221013300 |
5 | 30430221144 |
6 | 3030340024 |
7 | 525233464 |
oct | 166510760 |
9 | 64463117 |
10 | 31101424 |
11 | 16612a62 |
12 | a4ba614 |
13 | 659c413 |
14 | 41b84a4 |
15 | 2ae5384 |
hex | 1da91f0 |
31101424 has 10 divisors (see below), whose sum is σ = 60259040. Its totient is φ = 15550704.
The previous prime is 31101419. The next prime is 31101439. The reversal of 31101424 is 42410113.
It is a Harshad number since it is a multiple of its sum of digits (16), and also a Moran number because the ratio is a prime number: 1943839 = 31101424 / (3 + 1 + 1 + 0 + 1 + 4 + 2 + 4).
It is a junction number, because it is equal to n+sod(n) for n = 31101398 and 31101407.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 971904 + ... + 971935.
It is an arithmetic number, because the mean of its divisors is an integer number (6025904).
Almost surely, 231101424 is an apocalyptic number.
It is an amenable number.
31101424 is a deficient number, since it is larger than the sum of its proper divisors (29157616).
31101424 is a wasteful number, since it uses less digits than its factorization.
31101424 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1943847 (or 1943841 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 16.
The square root of 31101424 is about 5576.8650691943. The cubic root of 31101424 is about 314.4802851855.
Adding to 31101424 its reverse (42410113), we get a palindrome (73511537).
The spelling of 31101424 in words is "thirty-one million, one hundred one thousand, four hundred twenty-four".
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