Base | Representation |
---|---|
bin | 10000111111100… |
… | …10110100110000 |
3 | 100221020102002100 |
4 | 20133302310300 |
5 | 242443133433 |
6 | 22051220400 |
7 | 3350450400 |
oct | 1037626460 |
9 | 327212070 |
10 | 142552368 |
11 | 73515782 |
12 | 3b8a7700 |
13 | 236c201a |
14 | 14d0a800 |
15 | c7acb13 |
hex | 87f2d30 |
142552368 has 180 divisors, whose sum is σ = 471364920. Its totient is φ = 40094208.
The previous prime is 142552331. The next prime is 142552381. The reversal of 142552368 is 863255241.
142552368 is a `hidden beast` number, since 1 + 42 + 552 + 3 + 68 = 666.
142552368 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 627871 + ... + 628097.
It is an arithmetic number, because the mean of its divisors is an integer number (2618694).
Almost surely, 2142552368 is an apocalyptic number.
142552368 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 142552368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235682460).
142552368 is an abundant number, since it is smaller than the sum of its proper divisors (328812552).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142552368 is a wasteful number, since it uses less digits than its factorization.
142552368 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 344 (or 328 counting only the distinct ones).
The product of its digits is 57600, while the sum is 36.
The square root of 142552368 is about 11939.5296389766. The cubic root of 142552368 is about 522.3859390991.
The spelling of 142552368 in words is "one hundred forty-two million, five hundred fifty-two thousand, three hundred sixty-eight".
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