Base | Representation |
---|---|
bin | 101010100110100110111 |
3 | 2121220222120 |
4 | 11110310313 |
5 | 324133043 |
6 | 45531023 |
7 | 14603016 |
oct | 5246467 |
9 | 2556876 |
10 | 1396023 |
11 | 873942 |
12 | 573a73 |
13 | 39b565 |
14 | 284a7d |
15 | 1c8983 |
hex | 154d37 |
1396023 has 16 divisors (see below), whose sum is σ = 2036736. Its totient is φ = 846720.
The previous prime is 1396013. The next prime is 1396027. The reversal of 1396023 is 3206931.
It is not a de Polignac number, because 1396023 - 24 = 1396007 is a prime.
It is an Ulam number.
It is a junction number, because it is equal to n+sod(n) for n = 1395984 and 1396002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1396027) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1140 + ... + 2022.
It is an arithmetic number, because the mean of its divisors is an integer number (127296).
21396023 is an apocalyptic number.
1396023 is a deficient number, since it is larger than the sum of its proper divisors (640713).
1396023 is a wasteful number, since it uses less digits than its factorization.
1396023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 934.
The product of its (nonzero) digits is 972, while the sum is 24.
The square root of 1396023 is about 1181.5341721677. The cubic root of 1396023 is about 111.7628645561.
The spelling of 1396023 in words is "one million, three hundred ninety-six thousand, twenty-three".
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