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76228693 = 2318118311
BaseRepresentation
bin1001000101100…
…10100001010101
312022102211002221
410202302201111
5124003304233
611321502341
71613635042
oct442624125
9168384087
1076228693
113a035822
12216419b1
1312a3c948
14a1a41c9
156a5b42d
hex48b2855

76228693 has 8 divisors (see below), whose sum is σ = 79986816. Its totient is φ = 72507600.

The previous prime is 76228679. The next prime is 76228699. The reversal of 76228693 is 39682267.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 76228693 - 25 = 76228661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76228699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4993 + ... + 13318.

It is an arithmetic number, because the mean of its divisors is an integer number (9998352).

Almost surely, 276228693 is an apocalyptic number.

It is an amenable number.

76228693 is a deficient number, since it is larger than the sum of its proper divisors (3758123).

76228693 is a wasteful number, since it uses less digits than its factorization.

76228693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18515.

The product of its digits is 217728, while the sum is 43.

The square root of 76228693 is about 8730.9044777732. The cubic root of 76228693 is about 424.0068028011.

The spelling of 76228693 in words is "seventy-six million, two hundred twenty-eight thousand, six hundred ninety-three".

Divisors: 1 23 181 4163 18311 421153 3314291 76228693