Base | Representation |
---|---|
bin | 100010110111111100101 |
3 | 2011001120100 |
4 | 10112333211 |
5 | 243032012 |
6 | 40254313 |
7 | 12466440 |
oct | 4267745 |
9 | 2131510 |
10 | 1142757 |
11 | 710630 |
12 | 471399 |
13 | 3101b5 |
14 | 21a657 |
15 | 1788dc |
hex | 116fe5 |
1142757 has 48 divisors (see below), whose sum is σ = 2201472. Its totient is φ = 552960.
The previous prime is 1142737. The next prime is 1142759. The reversal of 1142757 is 7572411.
It is not a de Polignac number, because 1142757 - 26 = 1142693 is a prime.
It is a super-2 number, since 2×11427572 = 2611787122098, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 1142757.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1142759) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11733 + ... + 11829.
It is an arithmetic number, because the mean of its divisors is an integer number (45864).
21142757 is an apocalyptic number.
1142757 is a gapful number since it is divisible by the number (17) formed by its first and last digit.
1142757 is the 873-rd pentagonal number.
It is an amenable number.
1142757 is a deficient number, since it is larger than the sum of its proper divisors (1058715).
1142757 is a wasteful number, since it uses less digits than its factorization.
1142757 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 138 (or 135 counting only the distinct ones).
The product of its digits is 1960, while the sum is 27.
The square root of 1142757 is about 1068.9981290910. The cubic root of 1142757 is about 104.5485378480.
The spelling of 1142757 in words is "one million, one hundred forty-two thousand, seven hundred fifty-seven".
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