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90880772 = 2247034831
BaseRepresentation
bin1010110101010…
…11101100000100
320100000012222112
411122223230010
5141231141042
613003520152
72152321343
oct532535404
9210005875
1090880772
1147333084
1226529058
1315a9cb08
14c0d9b5a
157ea2982
hex56abb04

90880772 has 12 divisors (see below), whose sum is σ = 159108096. Its totient is φ = 45421320.

The previous prime is 90880753. The next prime is 90880787. The reversal of 90880772 is 27708809.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 16397 + ... + 21227.

It is an arithmetic number, because the mean of its divisors is an integer number (13259008).

Almost surely, 290880772 is an apocalyptic number.

It is an amenable number.

90880772 is a deficient number, since it is larger than the sum of its proper divisors (68227324).

90880772 is a wasteful number, since it uses less digits than its factorization.

90880772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9538 (or 9536 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 41.

The square root of 90880772 is about 9533.1407206649. The cubic root of 90880772 is about 449.5976189069.

The spelling of 90880772 in words is "ninety million, eight hundred eighty thousand, seven hundred seventy-two".

Divisors: 1 2 4 4703 4831 9406 9662 18812 19324 22720193 45440386 90880772