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90008914 = 2172647321
BaseRepresentation
bin1010101110101…
…10110101010010
320021100221000111
411113112311102
5141020241124
612533111534
72142030442
oct527266522
9207327014
1090008914
1146898036
12261885aa
1315856018
14bd50122
157d7e494
hex55d6d52

90008914 has 8 divisors (see below), whose sum is σ = 142955388. Its totient is φ = 42357120.

The previous prime is 90008911. The next prime is 90008923. The reversal of 90008914 is 41980009.

It can be written as a sum of positive squares in 2 ways, for example, as 89775625 + 233289 = 9475^2 + 483^2 .

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

It is not an unprimeable number, because it can be changed into a prime (90008911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1323627 + ... + 1323694.

Almost surely, 290008914 is an apocalyptic number.

90008914 is a deficient number, since it is larger than the sum of its proper divisors (52946474).

90008914 is a wasteful number, since it uses less digits than its factorization.

90008914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2647340.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 90008914 is about 9487.3027779238. The cubic root of 90008914 is about 448.1552694421.

The spelling of 90008914 in words is "ninety million, eight thousand, nine hundred fourteen".

Divisors: 1 2 17 34 2647321 5294642 45004457 90008914