Base | Representation |
---|---|
bin | 1010100011000… |
… | …01100100011111 |
3 | 20011111020210012 |
4 | 11101201210133 |
5 | 140122330111 |
6 | 12440233435 |
7 | 2123032163 |
oct | 521414437 |
9 | 204436705 |
10 | 88480031 |
11 | 45a433a2 |
12 | 2576b87b |
13 | 1543c163 |
14 | ba72ca3 |
15 | 7b7b48b |
hex | 546191f |
88480031 has 2 divisors, whose sum is σ = 88480032. Its totient is φ = 88480030.
The previous prime is 88480013. The next prime is 88480037. The reversal of 88480031 is 13008488.
Together with previous prime (88480013) it forms an Ormiston pair, because they use the same digits, order apart.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 88480031 - 26 = 88479967 is a prime.
It is a super-2 number, since 2×884800312 = 15657431771521922, which contains 22 as substring.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 88480031.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (88480037) by changing a digit.
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, 44240015 + 44240016.
It is an arithmetic number, because the mean of its divisors is an integer number (44240016).
Almost surely, 288480031 is an apocalyptic number.
88480031 is a deficient number, since it is larger than the sum of its proper divisors (1).
88480031 is an equidigital number, since it uses as much as digits as its factorization.
88480031 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 6144, while the sum is 32.
The square root of 88480031 is about 9406.3824608613. The cubic root of 88480031 is about 445.6033242271.
The spelling of 88480031 in words is "eighty-eight million, four hundred eighty thousand, thirty-one".
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