[go: up one dir, main page]

Search a number
-
+
90536791 = 301929989
BaseRepresentation
bin1010110010101…
…11101101010111
320022100202010111
411121113231113
5141134134131
612552303451
72146356442
oct531275527
9208322114
1090536791
11471186a4
12263a1b87
13159ac387
14c04a659
157e35ab1
hex5657b57

90536791 has 4 divisors (see below), whose sum is σ = 90569800. Its totient is φ = 90503784.

The previous prime is 90536777. The next prime is 90536813. The reversal of 90536791 is 19763509.

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

It is a cyclic number.

It is not a de Polignac number, because 90536791 - 25 = 90536759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90536701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11976 + ... + 18013.

It is an arithmetic number, because the mean of its divisors is an integer number (22642450).

Almost surely, 290536791 is an apocalyptic number.

90536791 is a deficient number, since it is larger than the sum of its proper divisors (33009).

90536791 is a wasteful number, since it uses less digits than its factorization.

90536791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33008.

The product of its (nonzero) digits is 51030, while the sum is 40.

The square root of 90536791 is about 9515.0822907634. The cubic root of 90536791 is about 449.0296638983.

The spelling of 90536791 in words is "ninety million, five hundred thirty-six thousand, seven hundred ninety-one".

Divisors: 1 3019 29989 90536791