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90249027 = 3112734819
BaseRepresentation
bin1010110000100…
…01011101000011
320021211010101120
411120101131003
5141100432102
612542203323
72144050461
oct530213503
9207733346
1090249027
1146a41480
1226283543
131590b3bb
14bdb3831
157dca6bc
hex5611743

90249027 has 8 divisors (see below), whose sum is σ = 131271360. Its totient is φ = 54696360.

The previous prime is 90249011. The next prime is 90249037. The reversal of 90249027 is 72094209.

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

It is not a de Polignac number, because 90249027 - 24 = 90249011 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 2734819 = 90249027 / (9 + 0 + 2 + 4 + 9 + 0 + 2 + 7).

It is not an unprimeable number, because it can be changed into a prime (90249007) 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, 1367377 + ... + 1367442.

It is an arithmetic number, because the mean of its divisors is an integer number (16408920).

Almost surely, 290249027 is an apocalyptic number.

90249027 is a deficient number, since it is larger than the sum of its proper divisors (41022333).

90249027 is a wasteful number, since it uses less digits than its factorization.

90249027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2734833.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 90249027 is about 9499.9487893357. The cubic root of 90249027 is about 448.5534239357.

The spelling of 90249027 in words is "ninety million, two hundred forty-nine thousand, twenty-seven".

Divisors: 1 3 11 33 2734819 8204457 30083009 90249027