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76237213 = 135864401
BaseRepresentation
bin1001000101101…
…00100110011101
312022110020210111
410202310212131
5124004042323
611322010021
71614001633
oct442644635
9168406714
1076237213
113a041168
1221646911
1312a437a0
14a1a7353
156a5dc0d
hex48b499d

76237213 has 4 divisors (see below), whose sum is σ = 82101628. Its totient is φ = 70372800.

The previous prime is 76237207. The next prime is 76237229. The reversal of 76237213 is 31273267.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17530969 + 58706244 = 4187^2 + 7662^2 .

It is a cyclic number.

It is not a de Polignac number, because 76237213 - 217 = 76106141 is a prime.

It is a super-2 number, since 2×762372132 = 11624225292014738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76207213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2932188 + ... + 2932213.

It is an arithmetic number, because the mean of its divisors is an integer number (20525407).

Almost surely, 276237213 is an apocalyptic number.

It is an amenable number.

76237213 is a deficient number, since it is larger than the sum of its proper divisors (5864415).

76237213 is a wasteful number, since it uses less digits than its factorization.

76237213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5864414.

The product of its digits is 10584, while the sum is 31.

The square root of 76237213 is about 8731.3923860974. The cubic root of 76237213 is about 424.0225991425.

The spelling of 76237213 in words is "seventy-six million, two hundred thirty-seven thousand, two hundred thirteen".

Divisors: 1 13 5864401 76237213