Search a number
-
+
90116801 = 537921523
BaseRepresentation
bin1010101111100…
…01001011000001
320021120102000022
411113301023001
5141032214201
612535303225
72142660125
oct527611301
9207512008
1090116801
11469610a5
122621ab15
1315893168
14bd7b585
157da141b
hex55f12c1

90116801 has 8 divisors (see below), whose sum is σ = 92983680. Its totient is φ = 87293232.

The previous prime is 90116797. The next prime is 90116843. The reversal of 90116801 is 10861109.

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 90116801 - 22 = 90116797 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90116501) 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, 6575 + ... + 14948.

It is an arithmetic number, because the mean of its divisors is an integer number (11622960).

Almost surely, 290116801 is an apocalyptic number.

It is an amenable number.

90116801 is a deficient number, since it is larger than the sum of its proper divisors (2866879).

90116801 is a wasteful number, since it uses less digits than its factorization.

90116801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21655.

The product of its (nonzero) digits is 432, while the sum is 26.

The square root of 90116801 is about 9492.9869377346. The cubic root of 90116801 is about 448.3342547609.

The spelling of 90116801 in words is "ninety million, one hundred sixteen thousand, eight hundred one".

Divisors: 1 53 79 4187 21523 1140719 1700317 90116801