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98000090 = 259800009
BaseRepresentation
bin1011101011101…
…01110011011010
320211101220211222
411311311303122
5200042000330
613420252042
72266662356
oct565656332
9224356758
1098000090
1150355a11
12289a1022
13173c3426
14d030466
15890c0e5
hex5d75cda

98000090 has 8 divisors (see below), whose sum is σ = 176400180. Its totient is φ = 39200032.

The previous prime is 98000069. The next prime is 98000101. The reversal of 98000090 is 9000089.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 90421081 + 7579009 = 9509^2 + 2753^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4899995 + ... + 4900014.

Almost surely, 298000090 is an apocalyptic number.

98000090 is a deficient number, since it is larger than the sum of its proper divisors (78400090).

98000090 is a wasteful number, since it uses less digits than its factorization.

98000090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9800016.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 98000090 is about 9899.4994822971. The cubic root of 98000090 is about 461.0437703416.

The spelling of 98000090 in words is "ninety-eight million, ninety", and thus it is an aban number and an uban number.

Divisors: 1 2 5 10 9800009 19600018 49000045 98000090