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76650379 = 135896183
BaseRepresentation
bin1001001000110…
…01011110001011
312100020020112221
410210121132023
5124110303004
611334514511
71620342331
oct444313613
9170206487
1076650379
113a2a3623
1221805a37
1312b59870
14a273b51
156ae1354
hex491978b

76650379 has 4 divisors (see below), whose sum is σ = 82546576. Its totient is φ = 70754184.

The previous prime is 76650377. The next prime is 76650397. The reversal of 76650379 is 97305667.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97305667 = 439221653.

It is a cyclic number.

It is not a de Polignac number, because 76650379 - 21 = 76650377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76650377) 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, 2948079 + ... + 2948104.

It is an arithmetic number, because the mean of its divisors is an integer number (20636644).

Almost surely, 276650379 is an apocalyptic number.

76650379 is a deficient number, since it is larger than the sum of its proper divisors (5896197).

76650379 is a wasteful number, since it uses less digits than its factorization.

76650379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5896196.

The product of its (nonzero) digits is 238140, while the sum is 43.

The square root of 76650379 is about 8755.0202169955. The cubic root of 76650379 is about 424.7872134349.

The spelling of 76650379 in words is "seventy-six million, six hundred fifty thousand, three hundred seventy-nine".

Divisors: 1 13 5896183 76650379