Base | Representation |
---|---|
bin | 10000111111001… |
… | …10100101100100 |
3 | 100221010212022220 |
4 | 20133212211210 |
5 | 242440032434 |
6 | 22050152340 |
7 | 3350151303 |
oct | 1037464544 |
9 | 327125286 |
10 | 142502244 |
11 | 73491055 |
12 | 3b8826b0 |
13 | 236a5271 |
14 | 14cd643a |
15 | c79cd49 |
hex | 87e6964 |
142502244 has 48 divisors (see below), whose sum is σ = 344097600. Its totient is φ = 45864576.
The previous prime is 142502237. The next prime is 142502249. The reversal of 142502244 is 442205241.
It is a happy number.
142502244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (142502249) 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, 60562 + ... + 62870.
It is an arithmetic number, because the mean of its divisors is an integer number (7168700).
Almost surely, 2142502244 is an apocalyptic number.
It is an amenable number.
142502244 is an abundant number, since it is smaller than the sum of its proper divisors (201595356).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142502244 is a wasteful number, since it uses less digits than its factorization.
142502244 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2492 (or 2490 counting only the distinct ones).
The product of its (nonzero) digits is 2560, while the sum is 24.
The square root of 142502244 is about 11937.4303767603. The cubic root of 142502244 is about 522.3247051289.
Adding to 142502244 its reverse (442205241), we get a palindrome (584707485).
The spelling of 142502244 in words is "one hundred forty-two million, five hundred two thousand, two hundred forty-four".
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