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76161157 is a prime number
BaseRepresentation
bin1001000101000…
…10000010000101
312022022101110121
410202202002011
5123444124112
611320221541
71613234122
oct442420205
9168271417
1076161157
1139a9a006
122160a8b1
1312a17c97
14a187749
156a46407
hex48a2085

76161157 has 2 divisors, whose sum is σ = 76161158. Its totient is φ = 76161156.

The previous prime is 76161131. The next prime is 76161191. The reversal of 76161157 is 75116167.

It is an a-pointer prime, because the next prime (76161191) can be obtained adding 76161157 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68326756 + 7834401 = 8266^2 + 2799^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-76161157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76162157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38080578 + 38080579.

It is an arithmetic number, because the mean of its divisors is an integer number (38080579).

Almost surely, 276161157 is an apocalyptic number.

It is an amenable number.

76161157 is a deficient number, since it is larger than the sum of its proper divisors (1).

76161157 is an equidigital number, since it uses as much as digits as its factorization.

76161157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8820, while the sum is 34.

The square root of 76161157 is about 8727.0359802169. The cubic root of 76161157 is about 423.8815473222.

The spelling of 76161157 in words is "seventy-six million, one hundred sixty-one thousand, one hundred fifty-seven".