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93085801 = 821113381
BaseRepresentation
bin1011000110001…
…10000001101001
320111011020201021
411203012001221
5142312221201
613123052441
72210134114
oct543060151
9214136637
1093085801
11485a9816
1227211121
1316392673
14c51157b
15828aea1
hex58c6069

93085801 has 4 divisors (see below), whose sum is σ = 93200004. Its totient is φ = 92971600.

The previous prime is 93085799. The next prime is 93085823. The reversal of 93085801 is 10858039.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10858039 = 107101477.

It can be written as a sum of positive squares in 2 ways, for example, as 62394201 + 30691600 = 7899^2 + 5540^2 .

It is a cyclic number.

It is not a de Polignac number, because 93085801 - 21 = 93085799 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (93085501) 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 3 ways as a sum of consecutive naturals, for example, 55870 + ... + 57511.

It is an arithmetic number, because the mean of its divisors is an integer number (23300001).

Almost surely, 293085801 is an apocalyptic number.

It is an amenable number.

93085801 is a deficient number, since it is larger than the sum of its proper divisors (114203).

93085801 is a wasteful number, since it uses less digits than its factorization.

93085801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114202.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 93085801 is about 9648.0983100298. The cubic root of 93085801 is about 453.2047782228.

The spelling of 93085801 in words is "ninety-three million, eighty-five thousand, eight hundred one".

Divisors: 1 821 113381 93085801