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76103345 = 515220669
BaseRepresentation
bin1001000100100…
…11111010110001
312022012110011102
410202103322301
5123440301340
611315054145
71612603433
oct442237261
9168173142
1076103345
1139a5a62a
12215a1355
13129c7886
14a170653
156a34215
hex4893eb1

76103345 has 4 divisors (see below), whose sum is σ = 91324020. Its totient is φ = 60882672.

The previous prime is 76103329. The next prime is 76103347. The reversal of 76103345 is 54330167.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54330167 = 471155961.

It can be written as a sum of positive squares in 2 ways, for example, as 24364096 + 51739249 = 4936^2 + 7193^2 .

It is a cyclic number.

It is not a de Polignac number, because 76103345 - 24 = 76103329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (76103347) 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, 7610330 + ... + 7610339.

It is an arithmetic number, because the mean of its divisors is an integer number (22831005).

Almost surely, 276103345 is an apocalyptic number.

It is an amenable number.

76103345 is a deficient number, since it is larger than the sum of its proper divisors (15220675).

76103345 is a wasteful number, since it uses less digits than its factorization.

76103345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15220674.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 76103345 is about 8723.7231157345. The cubic root of 76103345 is about 423.7742676008.

The spelling of 76103345 in words is "seventy-six million, one hundred three thousand, three hundred forty-five".

Divisors: 1 5 15220669 76103345