Base | Representation |
---|---|
bin | 101011011111011110100 |
3 | 2200101220222 |
4 | 11123323310 |
5 | 331101030 |
6 | 50313512 |
7 | 15053633 |
oct | 5337364 |
9 | 2611828 |
10 | 1425140 |
11 | 893802 |
12 | 588898 |
13 | 3ab8a2 |
14 | 29151a |
15 | 1d23e5 |
hex | 15bef4 |
1425140 has 12 divisors (see below), whose sum is σ = 2992836. Its totient is φ = 570048.
The previous prime is 1425139. The next prime is 1425169. The reversal of 1425140 is 415241.
It can be written as a sum of positive squares in 2 ways, for example, as 868624 + 556516 = 932^2 + 746^2 .
It is a congruent number.
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, 35609 + ... + 35648.
It is an arithmetic number, because the mean of its divisors is an integer number (249403).
21425140 is an apocalyptic number.
1425140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1425140 is an abundant number, since it is smaller than the sum of its proper divisors (1567696).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1425140 is a wasteful number, since it uses less digits than its factorization.
1425140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 71266 (or 71264 counting only the distinct ones).
The product of its (nonzero) digits is 160, while the sum is 17.
The square root of 1425140 is about 1193.7922767383. The cubic root of 1425140 is about 112.5345408342.
The spelling of 1425140 in words is "one million, four hundred twenty-five thousand, one hundred forty".
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