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76216213 is a prime number
BaseRepresentation
bin1001000101011…
…11011110010101
312022102011222201
410202233132111
5124002404323
611321324501
71613553463
oct442573625
9168364881
1076216213
113a027407
1221636731
1312a37068
14a19d833
156a578ad
hex48af795

76216213 has 2 divisors, whose sum is σ = 76216214. Its totient is φ = 76216212.

The previous prime is 76216211. The next prime is 76216223. The reversal of 76216213 is 31261267.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73582084 + 2634129 = 8578^2 + 1623^2 .

It is a cyclic number.

It is not a de Polignac number, because 76216213 - 21 = 76216211 is a prime.

It is a super-2 number, since 2×762162132 = 11617822248122738, which contains 22 as substring.

Together with 76216211, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76216211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38108106 + 38108107.

It is an arithmetic number, because the mean of its divisors is an integer number (38108107).

Almost surely, 276216213 is an apocalyptic number.

It is an amenable number.

76216213 is a deficient number, since it is larger than the sum of its proper divisors (1).

76216213 is an equidigital number, since it uses as much as digits as its factorization.

76216213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 28.

The square root of 76216213 is about 8730.1897459334. The cubic root of 76216213 is about 423.9836623733.

The spelling of 76216213 in words is "seventy-six million, two hundred sixteen thousand, two hundred thirteen".