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90352259 = 312149631
BaseRepresentation
bin1010110001010…
…10101010000011
320022000100222222
411120222222003
5141112233014
612544321255
72144660444
oct530525203
9208010888
1090352259
1147001a98
122631322b
131594639a
14bddd2cb
157deb08e
hex562aa83

90352259 has 12 divisors (see below), whose sum is σ = 94136400. Its totient is φ = 86713200.

The previous prime is 90352253. The next prime is 90352267. The reversal of 90352259 is 95225309.

It is not a de Polignac number, because 90352259 - 24 = 90352243 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90352253) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 142874 + ... + 143504.

It is an arithmetic number, because the mean of its divisors is an integer number (7844700).

Almost surely, 290352259 is an apocalyptic number.

90352259 is a deficient number, since it is larger than the sum of its proper divisors (3784141).

90352259 is a wasteful number, since it uses less digits than its factorization.

90352259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842 (or 811 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 35.

The square root of 90352259 is about 9505.3805289425. The cubic root of 90352259 is about 448.7243857893.

The spelling of 90352259 in words is "ninety million, three hundred fifty-two thousand, two hundred fifty-nine".

Divisors: 1 31 149 631 961 4619 19561 94019 143189 606391 2914589 90352259