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90697682 = 273621217
BaseRepresentation
bin1010110011111…
…10111111010010
320022122220211102
411121332333102
5141204311212
612555544402
72150626505
oct531767722
9208586742
1090697682
1147218569
122645b102
1315a3768a
14c08d13c
157e685c2
hex567efd2

90697682 has 8 divisors (see below), whose sum is σ = 137910396. Its totient is φ = 44727552.

The previous prime is 90697637. The next prime is 90697709. The reversal of 90697682 is 28679609.

It can be written as a sum of positive squares in 2 ways, for example, as 81522841 + 9174841 = 9029^2 + 3029^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 310463 + ... + 310754.

Almost surely, 290697682 is an apocalyptic number.

90697682 is a deficient number, since it is larger than the sum of its proper divisors (47212714).

90697682 is a wasteful number, since it uses less digits than its factorization.

90697682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621292.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 90697682 is about 9523.5330628922. The cubic root of 90697682 is about 449.2954935061.

The spelling of 90697682 in words is "ninety million, six hundred ninety-seven thousand, six hundred eighty-two".

Divisors: 1 2 73 146 621217 1242434 45348841 90697682