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93806993 = 714099511
BaseRepresentation
bin1011001011101…
…10000110010001
320112111220000002
411211312012101
5143003310433
613150335345
72216226530
oct545660621
9215456002
1093806993
1148a51645
12274ba555
13165859c7
14c65c317
15837e9e8
hex5976191

93806993 has 8 divisors (see below), whose sum is σ = 107295360. Its totient is φ = 80340480.

The previous prime is 93806987. The next prime is 93807011. The reversal of 93806993 is 39960839.

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 93806993 - 28 = 93806737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (93806953) 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, 5108 + ... + 14618.

It is an arithmetic number, because the mean of its divisors is an integer number (13411920).

Almost surely, 293806993 is an apocalyptic number.

It is an amenable number.

93806993 is a deficient number, since it is larger than the sum of its proper divisors (13488367).

93806993 is a wasteful number, since it uses less digits than its factorization.

93806993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10927.

The product of its (nonzero) digits is 314928, while the sum is 47.

The square root of 93806993 is about 9685.4010242220. The cubic root of 93806993 is about 454.3721856968.

The spelling of 93806993 in words is "ninety-three million, eight hundred six thousand, nine hundred ninety-three".

Divisors: 1 7 1409 9511 9863 66577 13400999 93806993