Base | Representation |
---|---|
bin | 110010001000… |
… | …100101010101 |
3 | 220201200220222 |
4 | 302020211111 |
5 | 11331023412 |
6 | 1145404125 |
7 | 216464624 |
oct | 62104525 |
9 | 26650828 |
10 | 13142357 |
11 | 7467058 |
12 | 4499645 |
13 | 2951c57 |
14 | 1a616bb |
15 | 1249072 |
hex | c88955 |
13142357 has 16 divisors (see below), whose sum is σ = 14584320. Its totient is φ = 11793600.
The previous prime is 13142351. The next prime is 13142369. The reversal of 13142357 is 75324131.
It is a cyclic number.
It is not a de Polignac number, because 13142357 - 212 = 13138261 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13142351) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31007 + ... + 31427.
It is an arithmetic number, because the mean of its divisors is an integer number (911520).
Almost surely, 213142357 is an apocalyptic number.
It is an amenable number.
13142357 is a deficient number, since it is larger than the sum of its proper divisors (1441963).
13142357 is a wasteful number, since it uses less digits than its factorization.
13142357 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 524.
The product of its digits is 2520, while the sum is 26.
The square root of 13142357 is about 3625.2388886803. The cubic root of 13142357 is about 235.9886341840.
Adding to 13142357 its reverse (75324131), we get a palindrome (88466488).
The spelling of 13142357 in words is "thirteen million, one hundred forty-two thousand, three hundred fifty-seven".
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