Base | Representation |
---|---|
bin | 111011100000101… |
… | …111001100101000 |
3 | 2120120201220000001 |
4 | 323200233030220 |
5 | 4021100001142 |
6 | 243023552344 |
7 | 33512403001 |
oct | 7340571450 |
9 | 2516656001 |
10 | 998437672 |
11 | 472657001 |
12 | 23a45b6b4 |
13 | 12bb1102b |
14 | 968621a8 |
15 | 5c9c35b7 |
hex | 3b82f328 |
998437672 has 8 divisors (see below), whose sum is σ = 1872070650. Its totient is φ = 499218832.
The previous prime is 998437667. The next prime is 998437673. The reversal of 998437672 is 276734899.
998437672 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 only one way, i.e., 878885316 + 119552356 = 29646^2 + 10934^2 .
It is a tau number, because it is divible by the number of its divisors (8).
It is a super-3 number, since 3×9984376723 (a number of 28 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (998437673) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62402347 + ... + 62402362.
Almost surely, 2998437672 is an apocalyptic number.
It is an amenable number.
998437672 is a deficient number, since it is larger than the sum of its proper divisors (873632978).
998437672 is a wasteful number, since it uses less digits than its factorization.
998437672 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 124804715 (or 124804711 counting only the distinct ones).
The product of its digits is 4572288, while the sum is 55.
The square root of 998437672 is about 31598.0643710972. The cubic root of 998437672 is about 999.4789525567.
The spelling of 998437672 in words is "nine hundred ninety-eight million, four hundred thirty-seven thousand, six hundred seventy-two".
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