Base | Representation |
---|---|
bin | 111011100000100… |
… | …101010000011011 |
3 | 2120120122211011000 |
4 | 323200211100123 |
5 | 4021042200310 |
6 | 243023040043 |
7 | 33512143203 |
oct | 7340452033 |
9 | 2516584130 |
10 | 998396955 |
11 | 472629456 |
12 | 23a440023 |
13 | 12bac863a |
14 | 96851403 |
15 | 5c9b64c0 |
hex | 3b82541b |
998396955 has 32 divisors (see below), whose sum is σ = 1780369920. Its totient is φ = 530845920.
The previous prime is 998396951. The next prime is 998396969. The reversal of 998396955 is 559693899.
998396955 is a nontrivial binomial coefficient, being equal to C(44686, 2).
It is not a de Polignac number, because 998396955 - 22 = 998396951 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 998396892 and 998396901.
It is not an unprimeable number, because it can be changed into a prime (998396951) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33514 + ... + 55856.
It is an arithmetic number, because the mean of its divisors is an integer number (55636560).
Almost surely, 2998396955 is an apocalyptic number.
998396955 is the 44685-th triangular number and also the 22343-rd hexagonal number.
998396955 is a deficient number, since it is larger than the sum of its proper divisors (781972965).
998396955 is a wasteful number, since it uses less digits than its factorization.
998396955 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22688 (or 22682 counting only the distinct ones).
The product of its digits is 23619600, while the sum is 63.
The square root of 998396955 is about 31597.4200687335. The cubic root of 998396955 is about 999.4653658840.
The spelling of 998396955 in words is "nine hundred ninety-eight million, three hundred ninety-six thousand, nine hundred fifty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •