Base | Representation |
---|---|
bin | 1000001101011111000100 |
3 | 11001100112002 |
4 | 20031133010 |
5 | 1022334023 |
6 | 114044432 |
7 | 24203120 |
oct | 10153704 |
9 | 4040462 |
10 | 2152388 |
11 | 1240137 |
12 | 879718 |
13 | 5a4904 |
14 | 400580 |
15 | 2c7b28 |
hex | 20d7c4 |
2152388 has 12 divisors (see below), whose sum is σ = 4304832. Its totient is φ = 922440.
The previous prime is 2152373. The next prime is 2152393. The reversal of 2152388 is 8832512.
2152388 is an admirable number.
It is a self number, because there is not a number n which added to its sum of digits gives 2152388.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38408 + ... + 38463.
It is an arithmetic number, because the mean of its divisors is an integer number (358736).
22152388 is an apocalyptic number.
2152388 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
2152388 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2152388 is a wasteful number, since it uses less digits than its factorization.
2152388 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 76882 (or 76880 counting only the distinct ones).
The product of its digits is 3840, while the sum is 29.
The square root of 2152388 is about 1467.1019051177. The cubic root of 2152388 is about 129.1140549289.
The spelling of 2152388 in words is "two million, one hundred fifty-two thousand, three hundred eighty-eight".
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