Base | Representation |
---|---|
bin | 100111100110000100010 |
3 | 2102220202102 |
4 | 10330300202 |
5 | 313004232 |
6 | 43450402 |
7 | 14012426 |
oct | 4746042 |
9 | 2386672 |
10 | 1297442 |
11 | 806873 |
12 | 526a02 |
13 | 365723 |
14 | 25ab86 |
15 | 1a9662 |
hex | 13cc22 |
1297442 has 16 divisors (see below), whose sum is σ = 2031480. Its totient is φ = 620928.
The previous prime is 1297421. The next prime is 1297447. The reversal of 1297442 is 2447921.
It can be written as a sum of positive squares in 4 ways, for example, as 1297321 + 121 = 1139^2 + 11^2 .
It is not an unprimeable number, because it can be changed into a prime (1297447) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6488 + ... + 6684.
21297442 is an apocalyptic number.
1297442 is a deficient number, since it is larger than the sum of its proper divisors (734038).
1297442 is a wasteful number, since it uses less digits than its factorization.
1297442 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 325.
The product of its digits is 4032, while the sum is 29.
The square root of 1297442 is about 1139.0531155306. The cubic root of 1297442 is about 109.0676571235.
The spelling of 1297442 in words is "one million, two hundred ninety-seven thousand, four hundred forty-two".
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