Base | Representation |
---|---|
bin | 10000111101110… |
… | …10111101110010 |
3 | 100220210210020100 |
4 | 20132322331302 |
5 | 242413323240 |
6 | 22042253230 |
7 | 3345505344 |
oct | 1036727562 |
9 | 326723210 |
10 | 142323570 |
11 | 73379894 |
12 | 3b7b7216 |
13 | 23641b3c |
14 | 14c8b294 |
15 | c764e30 |
hex | 87baf72 |
142323570 has 48 divisors (see below), whose sum is σ = 370707480. Its totient is φ = 37884672.
The previous prime is 142323569. The next prime is 142323581. The reversal of 142323570 is 75323241.
142323570 is a `hidden beast` number, since 1 + 423 + 235 + 7 + 0 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 137381841 + 4941729 = 11721^2 + 2223^2 .
It is a super-3 number, since 3×1423235703 (a number of 25 digits) contains 333 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67086 + ... + 69174.
Almost surely, 2142323570 is an apocalyptic number.
142323570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
142323570 is an abundant number, since it is smaller than the sum of its proper divisors (228383910).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142323570 is a wasteful number, since it uses less digits than its factorization.
142323570 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2859 (or 2856 counting only the distinct ones).
The product of its (nonzero) digits is 5040, while the sum is 27.
The square root of 142323570 is about 11929.9442580424. The cubic root of 142323570 is about 522.1063111960.
It can be divided in two parts, 14232 and 3570, that multiplied together give a triangular number (50808240 = T10080).
The spelling of 142323570 in words is "one hundred forty-two million, three hundred twenty-three thousand, five hundred seventy".
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