Base | Representation |
---|---|
bin | 11010100111001110101 |
3 | 1122022020021 |
4 | 3110321311 |
5 | 210401203 |
6 | 30405141 |
7 | 10261300 |
oct | 3247165 |
9 | 1568207 |
10 | 872053 |
11 | 546206 |
12 | 3607b1 |
13 | 246c10 |
14 | 189b37 |
15 | 1235bd |
hex | d4e75 |
872053 has 18 divisors (see below), whose sum is σ = 1122786. Its totient is φ = 671328.
The previous prime is 872041. The next prime is 872057. The reversal of 872053 is 350278.
It can be written as a sum of positive squares in 3 ways, for example, as 321489 + 550564 = 567^2 + 742^2 .
It is a de Polignac number, because none of the positive numbers 2k-872053 is a prime.
It is a plaindrome in base 15.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (872057) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 23551 + ... + 23587.
It is an arithmetic number, because the mean of its divisors is an integer number (62377).
2872053 is an apocalyptic number.
It is an amenable number.
872053 is a deficient number, since it is larger than the sum of its proper divisors (250733).
872053 is a wasteful number, since it uses less digits than its factorization.
872053 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 101 (or 57 counting only the distinct ones).
The product of its (nonzero) digits is 1680, while the sum is 25.
The square root of 872053 is about 933.8377803452. The cubic root of 872053 is about 95.5390591578.
The spelling of 872053 in words is "eight hundred seventy-two thousand, fifty-three".
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