Base | Representation |
---|---|
bin | 101001110110010010101 |
3 | 2120200001100 |
4 | 11032302111 |
5 | 322340120 |
6 | 45220313 |
7 | 14440626 |
oct | 5166225 |
9 | 2520040 |
10 | 1371285 |
11 | 8572a3 |
12 | 561699 |
13 | 390216 |
14 | 279a4d |
15 | 1c1490 |
hex | 14ec95 |
1371285 has 24 divisors (see below), whose sum is σ = 2456064. Its totient is φ = 707040.
The previous prime is 1371263. The next prime is 1371301. The reversal of 1371285 is 5821731.
It is not a de Polignac number, because 1371285 - 27 = 1371157 is a prime.
It is a congruent number.
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 23 ways as a sum of consecutive naturals, for example, 904 + ... + 1886.
It is an arithmetic number, because the mean of its divisors is an integer number (102336).
21371285 is an apocalyptic number.
1371285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1371285 is a deficient number, since it is larger than the sum of its proper divisors (1084779).
1371285 is a wasteful number, since it uses less digits than its factorization.
1371285 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1025 (or 1022 counting only the distinct ones).
The product of its digits is 1680, while the sum is 27.
The square root of 1371285 is about 1171.0187872105. The cubic root of 1371285 is about 111.0987677029.
The spelling of 1371285 in words is "one million, three hundred seventy-one thousand, two hundred eighty-five".
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