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90770017 = 1368310223
BaseRepresentation
bin1010110100100…
…00101001100001
320022210121001111
411122100221201
5141214120032
613001303321
72151350422
oct532205141
9208717044
1090770017
1147267948
1226494b41
1315a61590
14c0ab649
157e7ec47
hex5690a61

90770017 has 8 divisors (see below), whose sum is σ = 97905024. Its totient is φ = 83656848.

The previous prime is 90769997. The next prime is 90770027. The reversal of 90770017 is 71007709.

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 90770017 - 215 = 90737249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90770027) 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, 3768 + ... + 13990.

It is an arithmetic number, because the mean of its divisors is an integer number (12238128).

Almost surely, 290770017 is an apocalyptic number.

It is an amenable number.

90770017 is a deficient number, since it is larger than the sum of its proper divisors (7135007).

90770017 is a wasteful number, since it uses less digits than its factorization.

90770017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10919.

The product of its (nonzero) digits is 3087, while the sum is 31.

The square root of 90770017 is about 9527.3300037314. The cubic root of 90770017 is about 449.4149054274.

The spelling of 90770017 in words is "ninety million, seven hundred seventy thousand, seventeen".

Divisors: 1 13 683 8879 10223 132899 6982309 90770017