Base | Representation |
---|---|
bin | 10011100111100010011111 |
3 | 100200021102220 |
4 | 103213202133 |
5 | 2304031222 |
6 | 302120423 |
7 | 61466154 |
oct | 23474237 |
9 | 10607386 |
10 | 5142687 |
11 | 29a2860 |
12 | 1880113 |
13 | 10b0a14 |
14 | 97c22b |
15 | 6b8b5c |
hex | 4e789f |
5142687 has 32 divisors (see below), whose sum is σ = 8087040. Its totient is φ = 2872320.
The previous prime is 5142679. The next prime is 5142689. The reversal of 5142687 is 7862415.
It is not a de Polignac number, because 5142687 - 23 = 5142679 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (5142689) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49878 + ... + 49980.
It is an arithmetic number, because the mean of its divisors is an integer number (252720).
Almost surely, 25142687 is an apocalyptic number.
5142687 is a deficient number, since it is larger than the sum of its proper divisors (2944353).
5142687 is a wasteful number, since it uses less digits than its factorization.
5142687 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 223.
The product of its digits is 13440, while the sum is 33.
The square root of 5142687 is about 2267.7493247711. The cubic root of 5142687 is about 172.6089712641.
The spelling of 5142687 in words is "five million, one hundred forty-two thousand, six hundred eighty-seven".
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