Base | Representation |
---|---|
bin | 111010000010111101000 |
3 | 10120122010112 |
4 | 13100113220 |
5 | 441331211 |
6 | 104433452 |
7 | 22111232 |
oct | 7202750 |
9 | 3518115 |
10 | 1902056 |
11 | 108a052 |
12 | 778888 |
13 | 5179a0 |
14 | 377252 |
15 | 27888b |
hex | 1d05e8 |
1902056 has 16 divisors (see below), whose sum is σ = 3840900. Its totient is φ = 877824.
The previous prime is 1902053. The next prime is 1902097. The reversal of 1902056 is 6502091.
It can be written as a sum of positive squares in 2 ways, for example, as 1865956 + 36100 = 1366^2 + 190^2 .
It is a plaindrome in base 12 and base 15.
It is a zygodrome in base 12.
It is not an unprimeable number, because it can be changed into a prime (1902053) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9041 + ... + 9248.
21902056 is an apocalyptic number.
It is an amenable number.
1902056 is an abundant number, since it is smaller than the sum of its proper divisors (1938844).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1902056 is a wasteful number, since it uses less digits than its factorization.
1902056 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18308 (or 18304 counting only the distinct ones).
The product of its (nonzero) digits is 540, while the sum is 23.
The square root of 1902056 is about 1379.1504631475. The cubic root of 1902056 is about 123.9008920188.
The spelling of 1902056 in words is "one million, nine hundred two thousand, fifty-six".
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