Base | Representation |
---|---|
bin | 1010100100001110… |
… | …0101000101100000 |
3 | 21022122222100110210 |
4 | 2221003211011200 |
5 | 21302042202330 |
6 | 1145235254120 |
7 | 130200022521 |
oct | 25103450540 |
9 | 7278870423 |
10 | 2836287840 |
11 | 1226013041 |
12 | 671a4a340 |
13 | 3627c4239 |
14 | 1cc98c848 |
15 | 1190068b0 |
hex | a90e5160 |
2836287840 has 48 divisors (see below), whose sum is σ = 8934308208. Its totient is φ = 756343296.
The previous prime is 2836287829. The next prime is 2836287859. The reversal of 2836287840 is 487826382.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (48).
It is a super-2 number, since 2×28362878402 = 16089057422663731200, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a self number, because there is not a number n which added to its sum of digits gives 2836287840.
It is a congruent number.
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, 2953987 + ... + 2954946.
It is an arithmetic number, because the mean of its divisors is an integer number (186131421).
Almost surely, 22836287840 is an apocalyptic number.
2836287840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2836287840 is an abundant number, since it is smaller than the sum of its proper divisors (6098020368).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2836287840 is a wasteful number, since it uses less digits than its factorization.
2836287840 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5908951 (or 5908943 counting only the distinct ones).
The product of its (nonzero) digits is 1032192, while the sum is 48.
The square root of 2836287840 is about 53256.8102687346. The cubic root of 2836287840 is about 1415.5224697657.
The spelling of 2836287840 in words is "two billion, eight hundred thirty-six million, two hundred eighty-seven thousand, eight hundred forty".
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