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90696193 = 765919661
BaseRepresentation
bin1010110011111…
…10101000000001
320022122211210021
411121332220001
5141204234233
612555533441
72150622250
oct531765001
9208584707
1090696193
1147217435
122645a281
1315a36ab3
14c08c797
157e67e2d
hex567ea01

90696193 has 8 divisors (see below), whose sum is σ = 103815360. Its totient is φ = 77617680.

The previous prime is 90696191. The next prime is 90696211. The reversal of 90696193 is 39169609.

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

It is not a de Polignac number, because 90696193 - 21 = 90696191 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90696191) 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, 5218 + ... + 14443.

It is an arithmetic number, because the mean of its divisors is an integer number (12976920).

Almost surely, 290696193 is an apocalyptic number.

It is an amenable number.

90696193 is a deficient number, since it is larger than the sum of its proper divisors (13119167).

90696193 is a wasteful number, since it uses less digits than its factorization.

90696193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20327.

The product of its (nonzero) digits is 78732, while the sum is 43.

The square root of 90696193 is about 9523.4548878020. The cubic root of 90696193 is about 449.2930347713.

The spelling of 90696193 in words is "ninety million, six hundred ninety-six thousand, one hundred ninety-three".

Divisors: 1 7 659 4613 19661 137627 12956599 90696193