Base | Representation |
---|---|
bin | 10000111101010… |
… | …01000101100100 |
3 | 100220200001210010 |
4 | 20132221011210 |
5 | 242404002330 |
6 | 22040530220 |
7 | 3345052011 |
oct | 1036510544 |
9 | 326601703 |
10 | 142250340 |
11 | 73329871 |
12 | 3b780970 |
13 | 236176cb |
14 | 14c6c708 |
15 | c74d3b0 |
hex | 87a9164 |
142250340 has 48 divisors (see below), whose sum is σ = 419267520. Its totient is φ = 35936640.
The previous prime is 142250333. The next prime is 142250347. The reversal of 142250340 is 43052241.
It is an interprime number because it is at equal distance from previous prime (142250333) and next prime (142250347).
It is not an unprimeable number, because it can be changed into a prime (142250347) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61251 + ... + 63530.
It is an arithmetic number, because the mean of its divisors is an integer number (8734740).
Almost surely, 2142250340 is an apocalyptic number.
142250340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
142250340 is an abundant number, since it is smaller than the sum of its proper divisors (277017180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142250340 is a wasteful number, since it uses less digits than its factorization.
142250340 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 124812 (or 124810 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 21.
The square root of 142250340 is about 11926.8746954095. The cubic root of 142250340 is about 522.0167490699.
The spelling of 142250340 in words is "one hundred forty-two million, two hundred fifty thousand, three hundred forty".
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