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90242041 = 233923567
BaseRepresentation
bin1010110000011…
…11101111111001
320021210202210211
411120033233321
5141100221131
612542111121
72144021221
oct530175771
9207722724
1090242041
1146a371aa
122627b4a1
1315908176
14bdb1081
157dc85b1
hex560fbf9

90242041 has 4 divisors (see below), whose sum is σ = 94165632. Its totient is φ = 86318452.

The previous prime is 90242029. The next prime is 90242057. The reversal of 90242041 is 14024209.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 90242041 - 211 = 90239993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90242071) 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 3 ways as a sum of consecutive naturals, for example, 1961761 + ... + 1961806.

It is an arithmetic number, because the mean of its divisors is an integer number (23541408).

Almost surely, 290242041 is an apocalyptic number.

It is an amenable number.

90242041 is a deficient number, since it is larger than the sum of its proper divisors (3923591).

90242041 is a wasteful number, since it uses less digits than its factorization.

90242041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3923590.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 90242041 is about 9499.5810960273. The cubic root of 90242041 is about 448.5418497571.

The spelling of 90242041 in words is "ninety million, two hundred forty-two thousand, forty-one".

Divisors: 1 23 3923567 90242041