Base | Representation |
---|---|
bin | 101001011000001100000 |
3 | 2112212220111 |
4 | 11023001200 |
5 | 321341442 |
6 | 45021104 |
7 | 14344660 |
oct | 5130140 |
9 | 2485814 |
10 | 1355872 |
11 | 846761 |
12 | 554794 |
13 | 3861bb |
14 | 2741a0 |
15 | 1bbb17 |
hex | 14b060 |
1355872 has 24 divisors (see below), whose sum is σ = 3051216. Its totient is φ = 580992.
The previous prime is 1355867. The next prime is 1355881. The reversal of 1355872 is 2785531.
It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2803 + ... + 3250.
It is an arithmetic number, because the mean of its divisors is an integer number (127134).
21355872 is an apocalyptic number.
It is an amenable number.
1355872 is an abundant number, since it is smaller than the sum of its proper divisors (1695344).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1355872 is an equidigital number, since it uses as much as digits as its factorization.
1355872 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6070 (or 6062 counting only the distinct ones).
The product of its digits is 8400, while the sum is 31.
The square root of 1355872 is about 1164.4191685128. The cubic root of 1355872 is about 110.6809549139.
The spelling of 1355872 in words is "one million, three hundred fifty-five thousand, eight hundred seventy-two".
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