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90248486 = 2431278263
BaseRepresentation
bin1010110000100…
…01010100100110
320021211002122112
411120101110212
5141100422421
612542201022
72144046056
oct530212446
9207732575
1090248486
1146a41029
1226283172
131590b093
14bdb3566
157dca45b
hex5611526

90248486 has 16 divisors (see below), whose sum is σ = 139628544. Its totient is φ = 43722504.

The previous prime is 90248441. The next prime is 90248491. The reversal of 90248486 is 68484209.

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 in 7 ways as a sum of consecutive naturals, for example, 6791 + ... + 15053.

It is an arithmetic number, because the mean of its divisors is an integer number (8726784).

Almost surely, 290248486 is an apocalyptic number.

90248486 is a deficient number, since it is larger than the sum of its proper divisors (49380058).

90248486 is a wasteful number, since it uses less digits than its factorization.

90248486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8435.

The product of its (nonzero) digits is 110592, while the sum is 41.

The square root of 90248486 is about 9499.9203154553. The cubic root of 90248486 is about 448.5525276458.

The spelling of 90248486 in words is "ninety million, two hundred forty-eight thousand, four hundred eighty-six".

Divisors: 1 2 43 86 127 254 5461 8263 10922 16526 355309 710618 1049401 2098802 45124243 90248486