Base | Representation |
---|---|
bin | 101010101001011110110 |
3 | 2122000000001 |
4 | 11111023312 |
5 | 324204434 |
6 | 45541514 |
7 | 14610220 |
oct | 5251366 |
9 | 2560001 |
10 | 1397494 |
11 | 874a5a |
12 | 57489a |
13 | 39c127 |
14 | 285410 |
15 | 1c9114 |
hex | 1552f6 |
1397494 has 16 divisors (see below), whose sum is σ = 2413728. Its totient is φ = 594432.
The previous prime is 1397491. The next prime is 1397497. The reversal of 1397494 is 4947931.
It is an interprime number because it is at equal distance from previous prime (1397491) and next prime (1397497).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1397491) 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, 2134 + ... + 2710.
It is an arithmetic number, because the mean of its divisors is an integer number (150858).
21397494 is an apocalyptic number.
1397494 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
1397494 is a deficient number, since it is larger than the sum of its proper divisors (1016234).
1397494 is a wasteful number, since it uses less digits than its factorization.
1397494 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 759.
The product of its digits is 27216, while the sum is 37.
The square root of 1397494 is about 1182.1565040214. The cubic root of 1397494 is about 111.8021059017.
It can be divided in two parts, 1397 and 494, that added together give a triangular number (1891 = T61).
The spelling of 1397494 in words is "one million, three hundred ninety-seven thousand, four hundred ninety-four".
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