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90394241 = 727746619
BaseRepresentation
bin1010110001101…
…00111010000001
320022002111120212
411120310322001
5141120103431
612545243505
72145224030
oct530647201
9208074525
1090394241
1147030593
1226333595
131595c522
14c010717
157e0872b
hex5634e81

90394241 has 8 divisors (see below), whose sum is σ = 103682880. Its totient is φ = 77199408.

The previous prime is 90394223. The next prime is 90394273. The reversal of 90394241 is 14249309.

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 90394241 - 26 = 90394177 is a prime.

It is a super-2 number, since 2×903942412 = 16342237611932162, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 90394198 and 90394207.

It is not an unprimeable number, because it can be changed into a prime (90304241) 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, 21371 + ... + 25248.

It is an arithmetic number, because the mean of its divisors is an integer number (12960360).

Almost surely, 290394241 is an apocalyptic number.

It is an amenable number.

90394241 is a deficient number, since it is larger than the sum of its proper divisors (13288639).

90394241 is a wasteful number, since it uses less digits than its factorization.

90394241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46903.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 90394241 is about 9507.5886006916. The cubic root of 90394241 is about 448.7938746631.

The spelling of 90394241 in words is "ninety million, three hundred ninety-four thousand, two hundred forty-one".

Divisors: 1 7 277 1939 46619 326333 12913463 90394241