Base | Representation |
---|---|
bin | 111010011110001… |
… | …001011000010100 |
3 | 2112100220000022120 |
4 | 322132021120110 |
5 | 4002112400033 |
6 | 241201455540 |
7 | 33211126461 |
oct | 7236113024 |
9 | 2470800276 |
10 | 980981268 |
11 | 463813823 |
12 | 2346415b0 |
13 | 12830b5b7 |
14 | 943da668 |
15 | 5b1c61b3 |
hex | 3a789614 |
980981268 has 24 divisors (see below), whose sum is σ = 2290155168. Its totient is φ = 326822496.
The previous prime is 980981263. The next prime is 980981279. The reversal of 980981268 is 862189089.
It is a self number, because there is not a number n which added to its sum of digits gives 980981268.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (980981263) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3630 + ... + 44442.
It is an arithmetic number, because the mean of its divisors is an integer number (95423132).
Almost surely, 2980981268 is an apocalyptic number.
It is an amenable number.
980981268 is an abundant number, since it is smaller than the sum of its proper divisors (1309173900).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
980981268 is a wasteful number, since it uses less digits than its factorization.
980981268 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42823 (or 42821 counting only the distinct ones).
The product of its (nonzero) digits is 497664, while the sum is 51.
The square root of 980981268 is about 31320.6204919379. The cubic root of 980981268 is about 993.6198023169.
The spelling of 980981268 in words is "nine hundred eighty million, nine hundred eighty-one thousand, two hundred sixty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.026 sec. • engine limits •