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90200063 = 298273761
BaseRepresentation
bin1010110000001…
…01011111111111
320021201122020002
411120011133333
5141042400223
612541144515
72143454642
oct530053777
9207648202
1090200063
1146a08708
122625b13b
13158c2025
14bd9da59
157dbae28
hex56057ff

90200063 has 8 divisors (see below), whose sum is σ = 93448080. Its totient is φ = 86961280.

The previous prime is 90200057. The next prime is 90200081. The reversal of 90200063 is 36000209.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 90200063 - 26 = 90199999 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 (90200053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22103 + ... + 25863.

It is an arithmetic number, because the mean of its divisors is an integer number (11681010).

Almost surely, 290200063 is an apocalyptic number.

90200063 is a deficient number, since it is larger than the sum of its proper divisors (3248017).

90200063 is a wasteful number, since it uses less digits than its factorization.

90200063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4617.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 90200063 is about 9497.3713731748. The cubic root of 90200063 is about 448.4722893842.

The spelling of 90200063 in words is "ninety million, two hundred thousand, sixty-three".

Divisors: 1 29 827 3761 23983 109069 3110347 90200063