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76893893 = 197355439
BaseRepresentation
bin1001001010101…
…00111011000101
312100200121120222
410211110323011
5124141101033
611344034125
71622405306
oct445247305
9170617528
1076893893
113a44a57a
1221902945
1312c1365b
14a2d87ad
156b3d598
hex4954ec5

76893893 has 8 divisors (see below), whose sum is σ = 82051200. Its totient is φ = 71847648.

The previous prime is 76893889. The next prime is 76893911. The reversal of 76893893 is 39839867.

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 76893893 - 22 = 76893889 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76893493) 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 7 ways as a sum of consecutive naturals, for example, 26333 + ... + 29106.

It is an arithmetic number, because the mean of its divisors is an integer number (10256400).

Almost surely, 276893893 is an apocalyptic number.

76893893 is a gapful number since it is divisible by the number (73) formed by its first and last digit.

It is an amenable number.

76893893 is a deficient number, since it is larger than the sum of its proper divisors (5157307).

76893893 is a wasteful number, since it uses less digits than its factorization.

76893893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55531.

The product of its digits is 1959552, while the sum is 53.

The square root of 76893893 is about 8768.9162956434. The cubic root of 76893893 is about 425.2365797002.

The spelling of 76893893 in words is "seventy-six million, eight hundred ninety-three thousand, eight hundred ninety-three".

Divisors: 1 19 73 1387 55439 1053341 4047047 76893893