Base | Representation |
---|---|
bin | 10000111101111… |
… | …00100100011100 |
3 | 100220211010020200 |
4 | 20132330210130 |
5 | 242414031030 |
6 | 22042343500 |
7 | 3345533451 |
oct | 1036744434 |
9 | 326733220 |
10 | 142330140 |
11 | 73383817 |
12 | 3b7bab90 |
13 | 23644b24 |
14 | 14c8d828 |
15 | c766d60 |
hex | 87bc91c |
142330140 has 72 divisors (see below), whose sum is σ = 454468560. Its totient is φ = 35956224.
The previous prime is 142330117. The next prime is 142330163. The reversal of 142330140 is 41033241.
142330140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (142330117) and next prime (142330163).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17389 + ... + 24228.
Almost surely, 2142330140 is an apocalyptic number.
142330140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
142330140 is an abundant number, since it is smaller than the sum of its proper divisors (312138420).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142330140 is a wasteful number, since it uses less digits than its factorization.
142330140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 41651 (or 41646 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 142330140 is about 11930.2196123961. The cubic root of 142330140 is about 522.1143449688.
Adding to 142330140 its reverse (41033241), we get a palindrome (183363381).
The spelling of 142330140 in words is "one hundred forty-two million, three hundred thirty thousand, one hundred forty".
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