| Base | Representation |
|---|---|
| bin | 1001010010011101… |
| … | …1111111110000011 |
| 3 | 20102202201221211011 |
| 4 | 2110213133332003 |
| 5 | 20101301220111 |
| 6 | 1051225501351 |
| 7 | 115534254553 |
| oct | 22447377603 |
| 9 | 6382657734 |
| 10 | 2493382531 |
| 11 | 106a4a4222 |
| 12 | 597041857 |
| 13 | 3097533a3 |
| 14 | 19920b163 |
| 15 | e8d70021 |
| hex | 949dff83 |
2493382531 has 4 divisors (see below), whose sum is σ = 2493488232. Its totient is φ = 2493276832.
The previous prime is 2493382519. The next prime is 2493382543. The reversal of 2493382531 is 1352833942.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1352833942 = 2 ⋅676416971.
It is an interprime number because it is at equal distance from previous prime (2493382519) and next prime (2493382543).
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2493382531 is a prime.
It is a super-2 number, since 2×24933825312 = 12433912891791931922, which contains 22 as substring.
It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2493382501) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 456 + ... + 70618.
It is an arithmetic number, because the mean of its divisors is an integer number (623372058).
Almost surely, 22493382531 is an apocalyptic number.
2493382531 is a deficient number, since it is larger than the sum of its proper divisors (105701).
2493382531 is an equidigital number, since it uses as much as digits as its factorization.
2493382531 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 105700.
The product of its digits is 155520, while the sum is 40.
The square root of 2493382531 is about 49933.7814610510. The cubic root of 2493382531 is about 1356.0102451853.
The spelling of 2493382531 in words is "two billion, four hundred ninety-three million, three hundred eighty-two thousand, five hundred thirty-one".
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