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90245361 = 3291037303
BaseRepresentation
bin1010110000100…
…00100011110001
320021210221100210
411120100203301
5141100322421
612542134333
72144034003
oct530204361
9207727323
1090245361
1146a39748
12262813a9
131590982b
14bdb2373
157dc9576
hex56108f1

90245361 has 8 divisors (see below), whose sum is σ = 124476480. Its totient is φ = 58088912.

The previous prime is 90245359. The next prime is 90245369. The reversal of 90245361 is 16354209.

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 90245361 - 21 = 90245359 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90245369) by changing a digit.

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, 518565 + ... + 518738.

It is an arithmetic number, because the mean of its divisors is an integer number (15559560).

Almost surely, 290245361 is an apocalyptic number.

It is an amenable number.

90245361 is a deficient number, since it is larger than the sum of its proper divisors (34231119).

90245361 is a wasteful number, since it uses less digits than its factorization.

90245361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037335.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 90245361 is about 9499.7558389677. The cubic root of 90245361 is about 448.5473503001.

The spelling of 90245361 in words is "ninety million, two hundred forty-five thousand, three hundred sixty-one".

Divisors: 1 3 29 87 1037303 3111909 30081787 90245361