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90522986 = 2231967891
BaseRepresentation
bin1010110010101…
…00010101101010
320022100001012012
411121110111222
5141133213421
612552115522
72146301261
oct531242552
9208301165
1090522986
1147109294
1226395ba2
13159a5cc8
14c0455d8
157e3195b
hex565456a

90522986 has 8 divisors (see below), whose sum is σ = 141688224. Its totient is φ = 43293580.

The previous prime is 90522961. The next prime is 90522989. The reversal of 90522986 is 68922509.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (90522989) 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 3 ways as a sum of consecutive naturals, for example, 983900 + ... + 983991.

It is an arithmetic number, because the mean of its divisors is an integer number (17711028).

Almost surely, 290522986 is an apocalyptic number.

90522986 is a deficient number, since it is larger than the sum of its proper divisors (51165238).

90522986 is a wasteful number, since it uses less digits than its factorization.

90522986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1967916.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 90522986 is about 9514.3568358560. The cubic root of 90522986 is about 449.0068401396.

The spelling of 90522986 in words is "ninety million, five hundred twenty-two thousand, nine hundred eighty-six".

Divisors: 1 2 23 46 1967891 3935782 45261493 90522986