Base | Representation |
---|---|
bin | 10001000001111… |
… | …10101010001000 |
3 | 100221211012011122 |
4 | 20200332222020 |
5 | 243033103414 |
6 | 22102014412 |
7 | 3353213105 |
oct | 1040765210 |
9 | 327735148 |
10 | 142862984 |
11 | 73708090 |
12 | 3ba17408 |
13 | 237a0514 |
14 | 14d8baac |
15 | c81eb8e |
hex | 883ea88 |
142862984 has 32 divisors (see below), whose sum is σ = 297743040. Its totient is φ = 63710400.
The previous prime is 142862981. The next prime is 142862987. The reversal of 142862984 is 489268241.
It is an interprime number because it is at equal distance from previous prime (142862981) and next prime (142862987).
It is a Harshad number since it is a multiple of its sum of digits (44).
It is not an unprimeable number, because it can be changed into a prime (142862981) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10652 + ... + 19979.
It is an arithmetic number, because the mean of its divisors is an integer number (9304470).
Almost surely, 2142862984 is an apocalyptic number.
It is an amenable number.
142862984 is an abundant number, since it is smaller than the sum of its proper divisors (154880056).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142862984 is a wasteful number, since it uses less digits than its factorization.
142862984 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30701 (or 30697 counting only the distinct ones).
The product of its digits is 221184, while the sum is 44.
The square root of 142862984 is about 11952.5304433831. The cubic root of 142862984 is about 522.7650833201.
The spelling of 142862984 in words is "one hundred forty-two million, eight hundred sixty-two thousand, nine hundred eighty-four".
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