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90485394 = 2329520031
BaseRepresentation
bin1010110010010…
…11001010010010
320022021010121220
411121023022102
5141131013034
612551225510
72146053546
oct531131222
9208233556
1090485394
114709301a
1226378296
1315991b6c
14c035a26
157e25749
hex564b292

90485394 has 16 divisors (see below), whose sum is σ = 187211520. Its totient is φ = 29121680.

The previous prime is 90485389. The next prime is 90485399. The reversal of 90485394 is 49358409.

It is an interprime number because it is at equal distance from previous prime (90485389) and next prime (90485399).

It is not an unprimeable number, because it can be changed into a prime (90485399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259842 + ... + 260189.

It is an arithmetic number, because the mean of its divisors is an integer number (11700720).

Almost surely, 290485394 is an apocalyptic number.

90485394 is an abundant number, since it is smaller than the sum of its proper divisors (96726126).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90485394 is a wasteful number, since it uses less digits than its factorization.

90485394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520065.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 90485394 is about 9512.3810899270. The cubic root of 90485394 is about 448.9446776514.

The spelling of 90485394 in words is "ninety million, four hundred eighty-five thousand, three hundred ninety-four".

Divisors: 1 2 3 6 29 58 87 174 520031 1040062 1560093 3120186 15080899 30161798 45242697 90485394