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90248582 = 245124291
BaseRepresentation
bin1010110000100…
…01010110000110
320021211002210002
411120101112012
5141100423312
612542201302
72144046254
oct530212606
9207732702
1090248582
1146a41106
1226283232
131590b138
14bdb35d4
157dca4c2
hex5611586

90248582 has 4 divisors (see below), whose sum is σ = 135372876. Its totient is φ = 45124290.

The previous prime is 90248567. The next prime is 90248593. The reversal of 90248582 is 28584209.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28584209 = 269106261.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22562144 + ... + 22562147.

It is an arithmetic number, because the mean of its divisors is an integer number (33843219).

Almost surely, 290248582 is an apocalyptic number.

90248582 is a deficient number, since it is larger than the sum of its proper divisors (45124294).

90248582 is a wasteful number, since it uses less digits than its factorization.

90248582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45124293.

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 90248582 is about 9499.9253681279. The cubic root of 90248582 is about 448.5526866920.

The spelling of 90248582 in words is "ninety million, two hundred forty-eight thousand, five hundred eighty-two".

Divisors: 1 2 45124291 90248582