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90864103 = 112750943
BaseRepresentation
bin1010110101001…
…11100111100111
320022222101010011
411122213213213
5141230122403
613003311051
72152221631
oct532474747
9208871104
1090864103
1147321600
122651b487
1315a95355
14c0d3a51
157e9ca6d
hex56a79e7

90864103 has 6 divisors (see below), whose sum is σ = 99875552. Its totient is φ = 82603620.

The previous prime is 90864073. The next prime is 90864121. The reversal of 90864103 is 30146809.

It is a de Polignac number, because none of the positive numbers 2k-90864103 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 (90864143) 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 5 ways as a sum of consecutive naturals, for example, 375351 + ... + 375592.

Almost surely, 290864103 is an apocalyptic number.

90864103 is a deficient number, since it is larger than the sum of its proper divisors (9011449).

90864103 is a wasteful number, since it uses less digits than its factorization.

90864103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750965 (or 750954 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 90864103 is about 9532.2664146571. The cubic root of 90864103 is about 449.5701294068.

The spelling of 90864103 in words is "ninety million, eight hundred sixty-four thousand, one hundred three".

Divisors: 1 11 121 750943 8260373 90864103