Base | Representation |
---|---|
bin | 10001000000101… |
… | …10001000100000 |
3 | 100221111202110210 |
4 | 20200112020200 |
5 | 243012300432 |
6 | 22054254120 |
7 | 3351622134 |
oct | 1040261040 |
9 | 327452423 |
10 | 142696992 |
11 | 736043a9 |
12 | 3b957340 |
13 | 23742ab9 |
14 | 14d473c4 |
15 | c7da8cc |
hex | 8816220 |
142696992 has 48 divisors (see below), whose sum is σ = 394299360. Its totient is φ = 45061632.
The previous prime is 142696951. The next prime is 142697021. The reversal of 142696992 is 299696241.
It is a tau number, because it is divible by the number of its divisors (48).
It is a Harshad number since it is a multiple of its sum of digits (48).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37293 + ... + 40940.
It is an arithmetic number, because the mean of its divisors is an integer number (8214570).
Almost surely, 2142696992 is an apocalyptic number.
142696992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
142696992 is an abundant number, since it is smaller than the sum of its proper divisors (251602368).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142696992 is a wasteful number, since it uses less digits than its factorization.
142696992 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 78265 (or 78257 counting only the distinct ones).
The product of its digits is 419904, while the sum is 48.
The square root of 142696992 is about 11945.5846236172. The cubic root of 142696992 is about 522.5625385489.
The spelling of 142696992 in words is "one hundred forty-two million, six hundred ninety-six thousand, nine hundred ninety-two".
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