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75160231 is a prime number
BaseRepresentation
bin1000111101011…
…01101010100111
312020102112110021
410132231222213
5123220111411
611242540011
71601565016
oct436555247
9166375407
1075160231
1139475aa3
1221207607
1312757513
149da6a7d
1568e9a71
hex47adaa7

75160231 has 2 divisors, whose sum is σ = 75160232. Its totient is φ = 75160230.

The previous prime is 75160229. The next prime is 75160237. The reversal of 75160231 is 13206157.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 75160231 - 21 = 75160229 is a prime.

It is a super-2 number, since 2×751602312 = 11298120647946722, which contains 22 as substring.

Together with 75160229, it forms a pair of twin primes.

It is the 8670-th Hogben number.

It is a junction number, because it is equal to n+sod(n) for n = 75160196 and 75160205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75160237) by changing a digit.

It is a nontrivial repunit in base 8669.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37580115 + 37580116.

It is an arithmetic number, because the mean of its divisors is an integer number (37580116).

Almost surely, 275160231 is an apocalyptic number.

75160231 is a deficient number, since it is larger than the sum of its proper divisors (1).

75160231 is an equidigital number, since it uses as much as digits as its factorization.

75160231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 75160231 is about 8669.5000432551. The cubic root of 75160231 is about 422.0164391670.

Adding to 75160231 its reverse (13206157), we get a palindrome (88366388).

The spelling of 75160231 in words is "seventy-five million, one hundred sixty thousand, two hundred thirty-one".