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90705016 = 2331136457
BaseRepresentation
bin1010110100000…
…00110001111000
320022200021220001
411122000301320
5141210030031
613000042344
72150660053
oct532006170
9208607801
1090705016
1147223026
12264633b4
1315a3ab0c
14c091a9a
157e6a861
hex5680c78

90705016 has 16 divisors (see below), whose sum is σ = 170623440. Its totient is φ = 45205440.

The previous prime is 90704981. The next prime is 90705037. The reversal of 90705016 is 61050709.

It is a happy number.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 15741 + ... + 20716.

It is an arithmetic number, because the mean of its divisors is an integer number (10663965).

Almost surely, 290705016 is an apocalyptic number.

It is an amenable number.

90705016 is a deficient number, since it is larger than the sum of its proper divisors (79918424).

90705016 is a wasteful number, since it uses less digits than its factorization.

90705016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36774 (or 36770 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 90705016 is about 9523.9181012858. The cubic root of 90705016 is about 449.3076034971.

The spelling of 90705016 in words is "ninety million, seven hundred five thousand, sixteen".

Divisors: 1 2 4 8 311 622 1244 2488 36457 72914 145828 291656 11338127 22676254 45352508 90705016