Base | Representation |
---|---|
bin | 111011011111101… |
… | …001010000100000 |
3 | 2120120012100000222 |
4 | 323133221100200 |
5 | 4021011314300 |
6 | 243013502212 |
7 | 33510100544 |
oct | 7337512040 |
9 | 2516170028 |
10 | 998151200 |
11 | 472480852 |
12 | 23a341968 |
13 | 12ba40817 |
14 | 967c9a24 |
15 | 5c968785 |
hex | 3b7e9420 |
998151200 has 54 divisors (see below), whose sum is σ = 2438920071. Its totient is φ = 398903040.
The previous prime is 998151199. The next prime is 998151211. The reversal of 998151200 is 2151899.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
998151200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 5 ways, for example, as 4892944 + 993258256 = 2212^2 + 31516^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=22340.
It is a super-2 number, since 2×9981512002 = 1992611636122880000, which contains 22 as substring.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 893042 + ... + 894158.
Almost surely, 2998151200 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 998151200
998151200 is an abundant number, since it is smaller than the sum of its proper divisors (1440768871).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
998151200 is an equidigital number, since it uses as much as digits as its factorization.
998151200 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2254 (or 1124 counting only the distinct ones).
The product of its (nonzero) digits is 6480, while the sum is 35.
The square root of 998151200 is about 31593.5309834149. The cubic root of 998151200 is about 999.3833531582.
The spelling of 998151200 in words is "nine hundred ninety-eight million, one hundred fifty-one thousand, two hundred".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •