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90027358 = 21913717293
BaseRepresentation
bin1010101110110…
…11010101011110
320021101212022121
411113123111132
5141021333413
612533333154
72142135301
oct527332536
9207355277
1090027358
11468aa983
12261971ba
1315861535
14bd56b38
157d84b8d
hex55db55e

90027358 has 16 divisors (see below), whose sum is σ = 143194320. Its totient is φ = 42330816.

The previous prime is 90027331. The next prime is 90027367. The reversal of 90027358 is 85372009.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3441 + ... + 13852.

It is an arithmetic number, because the mean of its divisors is an integer number (8949645).

Almost surely, 290027358 is an apocalyptic number.

90027358 is a deficient number, since it is larger than the sum of its proper divisors (53166962).

90027358 is a wasteful number, since it uses less digits than its factorization.

90027358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17451.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 90027358 is about 9488.2747641497. The cubic root of 90027358 is about 448.1858783040.

The spelling of 90027358 in words is "ninety million, twenty-seven thousand, three hundred fifty-eight".

Divisors: 1 2 19 38 137 274 2603 5206 17293 34586 328567 657134 2369141 4738282 45013679 90027358