Base | Representation |
---|---|
bin | 10000111111001… |
… | …00101100100011 |
3 | 100221010110201001 |
4 | 20133210230203 |
5 | 242434310444 |
6 | 22050052431 |
7 | 3350116600 |
oct | 1037445443 |
9 | 327113631 |
10 | 142494499 |
11 | 73486254 |
12 | 3b87a117 |
13 | 236a1894 |
14 | 14cd36a7 |
15 | c79a8d4 |
hex | 87e4b23 |
142494499 has 24 divisors (see below), whose sum is σ = 175979520. Its totient is φ = 114794064.
The previous prime is 142494497. The next prime is 142494523. The reversal of 142494499 is 994494241.
142494499 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 142494499 - 21 = 142494497 is a prime.
It is a super-2 number, since 2×1424944992 = 40609364490522002, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (142494491) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65422 + ... + 67564.
It is an arithmetic number, because the mean of its divisors is an integer number (7332480).
Almost surely, 2142494499 is an apocalyptic number.
142494499 is a deficient number, since it is larger than the sum of its proper divisors (33485021).
142494499 is a wasteful number, since it uses less digits than its factorization.
142494499 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2239 (or 2232 counting only the distinct ones).
The product of its digits is 373248, while the sum is 46.
The square root of 142494499 is about 11937.1059725547. The cubic root of 142494499 is about 522.3152421712.
The spelling of 142494499 in words is "one hundred forty-two million, four hundred ninety-four thousand, four hundred ninety-nine".
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