Base | Representation |
---|---|
bin | 111011101100… |
… | …1101000000010 |
3 | 2011220012122220 |
4 | 1313121220002 |
5 | 31003100343 |
6 | 3034511510 |
7 | 530021634 |
oct | 167315002 |
9 | 64805586 |
10 | 31300098 |
11 | 16739255 |
12 | a595596 |
13 | 663b98b |
14 | 422aa54 |
15 | 2b34183 |
hex | 1dd9a02 |
31300098 has 8 divisors (see below), whose sum is σ = 62600208. Its totient is φ = 10433364.
The previous prime is 31300091. The next prime is 31300099. The reversal of 31300098 is 89000313.
It is a sphenic number, since it is the product of 3 distinct primes.
31300098 is an admirable number.
It is a super-2 number, since 2×313000982 = 1959392269619208, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (31300091) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2608336 + ... + 2608347.
It is an arithmetic number, because the mean of its divisors is an integer number (7825026).
Almost surely, 231300098 is an apocalyptic number.
31300098 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31300098 is a wasteful number, since it uses less digits than its factorization.
31300098 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5216688.
The product of its (nonzero) digits is 648, while the sum is 24.
The square root of 31300098 is about 5594.6490506555. The cubic root of 31300098 is about 315.1484913405.
The spelling of 31300098 in words is "thirty-one million, three hundred thousand, ninety-eight".
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