Base | Representation |
---|---|
bin | 110010001000… |
… | …101000001110 |
3 | 220201201011211 |
4 | 302020220032 |
5 | 11331030132 |
6 | 1145405034 |
7 | 216465310 |
oct | 62105016 |
9 | 26651154 |
10 | 13142542 |
11 | 7467206 |
12 | 449977a |
13 | 295206a |
14 | 1a617b0 |
15 | 1249147 |
hex | c88a0e |
13142542 has 16 divisors (see below), whose sum is σ = 22618080. Its totient is φ = 5610528.
The previous prime is 13142537. The next prime is 13142551. The reversal of 13142542 is 24524131.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2184 + ... + 5572.
It is an arithmetic number, because the mean of its divisors is an integer number (1413630).
Almost surely, 213142542 is an apocalyptic number.
13142542 is a deficient number, since it is larger than the sum of its proper divisors (9475538).
13142542 is a wasteful number, since it uses less digits than its factorization.
13142542 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3675.
The product of its digits is 960, while the sum is 22.
The square root of 13142542 is about 3625.2644041504. The cubic root of 13142542 is about 235.9897414865.
Adding to 13142542 its reverse (24524131), we get a palindrome (37666673).
The spelling of 13142542 in words is "thirteen million, one hundred forty-two thousand, five hundred forty-two".
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