Base | Representation |
---|---|
bin | 1001010011010110… |
… | …0100110100101111 |
3 | 20110000200102102010 |
4 | 2110311210310233 |
5 | 20103222304211 |
6 | 1051440532303 |
7 | 115610523360 |
oct | 22465446457 |
9 | 6400612363 |
10 | 2497072431 |
11 | 1071594527 |
12 | 598321093 |
13 | 30a445a69 |
14 | 1998cbb67 |
15 | e934d4a6 |
hex | 94d64d2f |
2497072431 has 8 divisors (see below), whose sum is σ = 3805062784. Its totient is φ = 1426898520.
The previous prime is 2497072429. The next prime is 2497072439. The reversal of 2497072431 is 1342707942.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2497072431 - 21 = 2497072429 is a prime.
It is a super-2 number, since 2×24970724312 = 12470741451320499522, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 2497072431.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2497072439) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59454085 + ... + 59454126.
It is an arithmetic number, because the mean of its divisors is an integer number (475632848).
Almost surely, 22497072431 is an apocalyptic number.
2497072431 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
2497072431 is a deficient number, since it is larger than the sum of its proper divisors (1307990353).
2497072431 is a wasteful number, since it uses less digits than its factorization.
2497072431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 118908221.
The product of its (nonzero) digits is 84672, while the sum is 39.
The square root of 2497072431 is about 49970.7157343178. The cubic root of 2497072431 is about 1356.6788250441.
The spelling of 2497072431 in words is "two billion, four hundred ninety-seven million, seventy-two thousand, four hundred thirty-one".
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