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93313081 = 169355117
BaseRepresentation
bin1011000111111…
…01100000111001
320111120210111001
411203331200321
5142342004311
613132005001
72212101541
oct543754071
9214523431
1093313081
1148744554
1227300761
1316441c54
14c570321
1582d34c1
hex58fd839

93313081 has 4 divisors (see below), whose sum is σ = 93369892. Its totient is φ = 93256272.

The previous prime is 93313061. The next prime is 93313091. The reversal of 93313081 is 18031339.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 69155856 + 24157225 = 8316^2 + 4915^2 .

It is a cyclic number.

It is not a de Polignac number, because 93313081 - 25 = 93313049 is a prime.

It is a super-2 number, since 2×933130812 = 17414662171425122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (93313021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25866 + ... + 29251.

It is an arithmetic number, because the mean of its divisors is an integer number (23342473).

Almost surely, 293313081 is an apocalyptic number.

It is an amenable number.

93313081 is a deficient number, since it is larger than the sum of its proper divisors (56811).

93313081 is a wasteful number, since it uses less digits than its factorization.

93313081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56810.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 93313081 is about 9659.8696160973. The cubic root of 93313081 is about 453.5733294660.

The spelling of 93313081 in words is "ninety-three million, three hundred thirteen thousand, eighty-one".

Divisors: 1 1693 55117 93313081