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90982258 = 264170969
BaseRepresentation
bin1010110110001…
…00011101110010
320100012101012021
411123010131302
5141242413013
613010022054
72153223253
oct533043562
9210171167
1090982258
11473a2354
122657792a
1315b07073
14c124b2a
157ec2a8d
hex56c4772

90982258 has 8 divisors (see below), whose sum is σ = 136688220. Its totient is φ = 45419520.

The previous prime is 90982253. The next prime is 90982261. The reversal of 90982258 is 85228909.

It can be written as a sum of positive squares in 2 ways, for example, as 90954369 + 27889 = 9537^2 + 167^2 .

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

It is not an unprimeable number, because it can be changed into a prime (90982253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34203 + ... + 36766.

Almost surely, 290982258 is an apocalyptic number.

90982258 is a deficient number, since it is larger than the sum of its proper divisors (45705962).

90982258 is a wasteful number, since it uses less digits than its factorization.

90982258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71612.

The product of its (nonzero) digits is 103680, while the sum is 43.

The square root of 90982258 is about 9538.4620353598. The cubic root of 90982258 is about 449.7649109510.

The spelling of 90982258 in words is "ninety million, nine hundred eighty-two thousand, two hundred fifty-eight".

Divisors: 1 2 641 1282 70969 141938 45491129 90982258