Base | Representation |
---|---|
bin | 100110011101110000100 |
3 | 2101000222020 |
4 | 10303232010 |
5 | 310313140 |
6 | 43003140 |
7 | 13466460 |
oct | 4635604 |
9 | 2330866 |
10 | 1260420 |
11 | 790a77 |
12 | 5094b0 |
13 | 351915 |
14 | 24b4a0 |
15 | 19d6d0 |
hex | 133b84 |
1260420 has 48 divisors (see below), whose sum is σ = 4034688. Its totient is φ = 288000.
The previous prime is 1260419. The next prime is 1260437. The reversal of 1260420 is 240621.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 1260420.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1081 + ... + 1920.
It is an arithmetic number, because the mean of its divisors is an integer number (84056).
21260420 is an apocalyptic number.
1260420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1260420 is an abundant number, since it is smaller than the sum of its proper divisors (2774268).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1260420 is a wasteful number, since it uses less digits than its factorization.
1260420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3020 (or 3018 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 15.
The square root of 1260420 is about 1122.6842833139. The cubic root of 1260420 is about 108.0202294068.
The spelling of 1260420 in words is "one million, two hundred sixty thousand, four hundred twenty".
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