Base | Representation |
---|---|
bin | 1001000101110… |
… | …00011111001011 |
3 | 12022111001122001 |
4 | 10202320133023 |
5 | 124010100011 |
6 | 11322211431 |
7 | 1614066223 |
oct | 442703713 |
9 | 168431561 |
10 | 76253131 |
11 | 3a052119 |
12 | 21653b77 |
13 | 12a4aac6 |
14 | a1ad083 |
15 | 6a637c1 |
hex | 48b87cb |
76253131 has 2 divisors, whose sum is σ = 76253132. Its totient is φ = 76253130.
The previous prime is 76253117. The next prime is 76253141. The reversal of 76253131 is 13135267.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-76253131 is a prime.
It is a super-2 number, since 2×762531312 = 11629079974606322, which contains 22 as substring.
It is equal to p4463506 and since 76253131 and 4463506 have the same sum of digits, it is a Honaker prime.
It is a self number, because there is not a number n which added to its sum of digits gives 76253131.
It is not a weakly prime, because it can be changed into another prime (76253141) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38126565 + 38126566.
It is an arithmetic number, because the mean of its divisors is an integer number (38126566).
Almost surely, 276253131 is an apocalyptic number.
76253131 is a deficient number, since it is larger than the sum of its proper divisors (1).
76253131 is an equidigital number, since it uses as much as digits as its factorization.
76253131 is an evil number, because the sum of its binary digits is even.
The product of its digits is 3780, while the sum is 28.
The square root of 76253131 is about 8732.3038769846. The cubic root of 76253131 is about 424.0521084498.
Adding to 76253131 its reverse (13135267), we get a palindrome (89388398).
The spelling of 76253131 in words is "seventy-six million, two hundred fifty-three thousand, one hundred thirty-one".
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