Base | Representation |
---|---|
bin | 1000001110101010… |
… | …0000010110110000 |
3 | 12200221112200112112 |
4 | 2003222200112300 |
5 | 14010443122442 |
6 | 1003105344452 |
7 | 105511555262 |
oct | 20352402660 |
9 | 5627480475 |
10 | 2208957872 |
11 | a33998820 |
12 | 517938128 |
13 | 292849a84 |
14 | 16d52db32 |
15 | cdddb082 |
hex | 83aa05b0 |
2208957872 has 40 divisors (see below), whose sum is σ = 4679499600. Its totient is φ = 1001799680.
The previous prime is 2208957857. The next prime is 2208957887. The reversal of 2208957872 is 2787598022.
It is an interprime number because it is at equal distance from previous prime (2208957857) and next prime (2208957887).
It is a self number, because there is not a number n which added to its sum of digits gives 2208957872.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65048 + ... + 93000.
It is an arithmetic number, because the mean of its divisors is an integer number (116987490).
Almost surely, 22208957872 is an apocalyptic number.
2208957872 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
2208957872 is an abundant number, since it is smaller than the sum of its proper divisors (2470541728).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2208957872 is a wasteful number, since it uses less digits than its factorization.
2208957872 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28421 (or 28415 counting only the distinct ones).
The product of its (nonzero) digits is 1128960, while the sum is 50.
The square root of 2208957872 is about 46999.5518276504. The cubic root of 2208957872 is about 1302.3542884658.
The spelling of 2208957872 in words is "two billion, two hundred eight million, nine hundred fifty-seven thousand, eight hundred seventy-two".
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