Base | Representation |
---|---|
bin | 101010101001111001010 |
3 | 2122000021220 |
4 | 11111033022 |
5 | 324211311 |
6 | 45542510 |
7 | 14610642 |
oct | 5251712 |
9 | 2560256 |
10 | 1397706 |
11 | 875132 |
12 | 574a36 |
13 | 39c25b |
14 | 285522 |
15 | 1c9206 |
hex | 1553ca |
1397706 has 32 divisors (see below), whose sum is σ = 3017088. Its totient is φ = 430080.
The previous prime is 1397681. The next prime is 1397717. The reversal of 1397706 is 6077931.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7146 + ... + 7338.
It is an arithmetic number, because the mean of its divisors is an integer number (94284).
21397706 is an apocalyptic number.
1397706 is an abundant number, since it is smaller than the sum of its proper divisors (1619382).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1397706 is a wasteful number, since it uses less digits than its factorization.
1397706 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 286.
The product of its (nonzero) digits is 7938, while the sum is 33.
The square root of 1397706 is about 1182.2461672596. The cubic root of 1397706 is about 111.8077590799.
The spelling of 1397706 in words is "one million, three hundred ninety-seven thousand, seven hundred six".
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