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8998490 = 25899849
BaseRepresentation
bin100010010100…
…111001011010
3121221011121102
4202110321122
54300422430
6520511402
7136325444
oct42247132
917834542
108998490
115096776
12301b562
131b30a67
1412a3494
15bcb345
hex894e5a

8998490 has 8 divisors (see below), whose sum is σ = 16197300. Its totient is φ = 3599392.

The previous prime is 8998489. The next prime is 8998519. The reversal of 8998490 is 948998.

It can be written as a sum of positive squares in 2 ways, for example, as 8994001 + 4489 = 2999^2 + 67^2 .

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

It is a Curzon 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, 449915 + ... + 449934.

Almost surely, 28998490 is an apocalyptic number.

8998490 is a deficient number, since it is larger than the sum of its proper divisors (7198810).

8998490 is a wasteful number, since it uses less digits than its factorization.

8998490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899856.

The product of its (nonzero) digits is 186624, while the sum is 47.

The square root of 8998490 is about 2999.7483227764. The cubic root of 8998490 is about 207.9967485932.

The spelling of 8998490 in words is "eight million, nine hundred ninety-eight thousand, four hundred ninety".

Divisors: 1 2 5 10 899849 1799698 4499245 8998490