Base | Representation |
---|---|
bin | 10000111111100… |
… | …11001111011000 |
3 | 100221020111102110 |
4 | 20133303033120 |
5 | 242443212242 |
6 | 22051232320 |
7 | 3350455353 |
oct | 1037631730 |
9 | 327214373 |
10 | 142554072 |
11 | 73516a91 |
12 | 3b8a86a0 |
13 | 236c2a2b |
14 | 14d0b29a |
15 | c7ad39c |
hex | 87f33d8 |
142554072 has 32 divisors (see below), whose sum is σ = 362231280. Its totient is φ = 46738560.
The previous prime is 142554043. The next prime is 142554079. The reversal of 142554072 is 270455241.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142554079) 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, 47223 + ... + 50150.
Almost surely, 2142554072 is an apocalyptic number.
142554072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
142554072 is an abundant number, since it is smaller than the sum of its proper divisors (219677208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142554072 is a wasteful number, since it uses less digits than its factorization.
142554072 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 97443 (or 97439 counting only the distinct ones).
The product of its (nonzero) digits is 11200, while the sum is 30.
The square root of 142554072 is about 11939.6009983584. The cubic root of 142554072 is about 522.3880205379.
The spelling of 142554072 in words is "one hundred forty-two million, five hundred fifty-four thousand, seventy-two".
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