Base | Representation |
---|---|
bin | 101011011111001111111 |
3 | 2200101202122 |
4 | 11123321333 |
5 | 331100043 |
6 | 50313155 |
7 | 15053405 |
oct | 5337177 |
9 | 2611678 |
10 | 1425023 |
11 | 893706 |
12 | 5887bb |
13 | 3ab812 |
14 | 291475 |
15 | 1d2368 |
hex | 15be7f |
1425023 has 4 divisors (see below), whose sum is σ = 1446360. Its totient is φ = 1403688.
The previous prime is 1425007. The next prime is 1425029. The reversal of 1425023 is 3205241.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3205241 = 13 ⋅246557.
It is a cyclic number.
It is not a de Polignac number, because 1425023 - 24 = 1425007 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1424992 and 1425010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1425029) 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, 10568 + ... + 10701.
It is an arithmetic number, because the mean of its divisors is an integer number (361590).
21425023 is an apocalyptic number.
1425023 is a deficient number, since it is larger than the sum of its proper divisors (21337).
1425023 is an equidigital number, since it uses as much as digits as its factorization.
1425023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21336.
The product of its (nonzero) digits is 240, while the sum is 17.
The square root of 1425023 is about 1193.7432722324. The cubic root of 1425023 is about 112.5314611598.
The spelling of 1425023 in words is "one million, four hundred twenty-five thousand, twenty-three".
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