Base | Representation |
---|---|
bin | 101011011111111100100 |
3 | 2200102020212 |
4 | 11123333210 |
5 | 331103010 |
6 | 50314552 |
7 | 15054425 |
oct | 5337744 |
9 | 2612225 |
10 | 1425380 |
11 | 893a00 |
12 | 588a58 |
13 | 3aba28 |
14 | 29164c |
15 | 1d2505 |
hex | 15bfe4 |
1425380 has 72 divisors (see below), whose sum is σ = 3575040. Its totient is φ = 475200.
The previous prime is 1425371. The next prime is 1425427. The reversal of 1425380 is 835241.
It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45965 + ... + 45995.
21425380 is an apocalyptic number.
1425380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1425380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1787520).
1425380 is an abundant number, since it is smaller than the sum of its proper divisors (2149660).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1425380 is a wasteful number, since it uses less digits than its factorization.
1425380 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 81 (or 68 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 23.
The square root of 1425380 is about 1193.8927925069. The cubic root of 1425380 is about 112.5408575876.
The spelling of 1425380 in words is "one million, four hundred twenty-five thousand, three hundred eighty".
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