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76851361 is a prime number
BaseRepresentation
bin1001001010010…
…10100010100001
312100121110020201
410211022202201
5124133220421
611343105201
71622140306
oct445124241
9170543221
1076851361
113a420624
12218a2201
1312bca1a2
14a2c70ad
156b30b91
hex494a8a1

76851361 has 2 divisors, whose sum is σ = 76851362. Its totient is φ = 76851360.

The previous prime is 76851329. The next prime is 76851377. The reversal of 76851361 is 16315867.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76387600 + 463761 = 8740^2 + 681^2 .

It is a cyclic number.

It is not a de Polignac number, because 76851361 - 25 = 76851329 is a prime.

It is a super-2 number, since 2×768513612 = 11812263375104642, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 76851361.

It is not a weakly prime, because it can be changed into another prime (76851311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38425680 + 38425681.

It is an arithmetic number, because the mean of its divisors is an integer number (38425681).

Almost surely, 276851361 is an apocalyptic number.

It is an amenable number.

76851361 is a deficient number, since it is larger than the sum of its proper divisors (1).

76851361 is an equidigital number, since it uses as much as digits as its factorization.

76851361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 37.

The square root of 76851361 is about 8766.4908030523. The cubic root of 76851361 is about 425.1581621252.

The spelling of 76851361 in words is "seventy-six million, eight hundred fifty-one thousand, three hundred sixty-one".