Base | Representation |
---|---|
bin | 10001000010001… |
… | …11011100010101 |
3 | 100221220000112021 |
4 | 20201013130111 |
5 | 243040231330 |
6 | 22102453141 |
7 | 3353423026 |
oct | 1041073425 |
9 | 327800467 |
10 | 142898965 |
11 | 73732120 |
12 | 3ba341b1 |
13 | 237b3a01 |
14 | 14d9ac4d |
15 | c82a67a |
hex | 8847715 |
142898965 has 8 divisors (see below), whose sum is σ = 187067808. Its totient is φ = 103926480.
The previous prime is 142898963. The next prime is 142898999. The reversal of 142898965 is 569898241.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 142898965 - 21 = 142898963 is a prime.
It is a super-2 number, since 2×1428989652 = 40840228396142450, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142898963) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1299027 + ... + 1299136.
It is an arithmetic number, because the mean of its divisors is an integer number (23383476).
Almost surely, 2142898965 is an apocalyptic number.
It is an amenable number.
142898965 is a deficient number, since it is larger than the sum of its proper divisors (44168843).
142898965 is a wasteful number, since it uses less digits than its factorization.
142898965 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2598179.
The product of its digits is 1244160, while the sum is 52.
The square root of 142898965 is about 11954.0355110732. The cubic root of 142898965 is about 522.8089669328.
The spelling of 142898965 in words is "one hundred forty-two million, eight hundred ninety-eight thousand, nine hundred sixty-five".
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