Base | Representation |
---|---|
bin | 10000111101101… |
… | …00000011101000 |
3 | 100220202100102021 |
4 | 20132310003220 |
5 | 242411422042 |
6 | 22041514224 |
7 | 3345330010 |
oct | 1036640350 |
9 | 326670367 |
10 | 142295272 |
11 | 7335a5a9 |
12 | 3b7a2974 |
13 | 23631cb2 |
14 | 14c80c40 |
15 | c75b867 |
hex | 87b40e8 |
142295272 has 32 divisors (see below), whose sum is σ = 305305920. Its totient is φ = 60906240.
The previous prime is 142295269. The next prime is 142295281. The reversal of 142295272 is 272592241.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75283 + ... + 77149.
It is an arithmetic number, because the mean of its divisors is an integer number (9540810).
Almost surely, 2142295272 is an apocalyptic number.
It is an amenable number.
142295272 is an abundant number, since it is smaller than the sum of its proper divisors (163010648).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142295272 is a wasteful number, since it uses less digits than its factorization.
142295272 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3241 (or 3237 counting only the distinct ones).
The product of its digits is 20160, while the sum is 34.
The square root of 142295272 is about 11928.7581918656. The cubic root of 142295272 is about 522.0717056753.
The spelling of 142295272 in words is "one hundred forty-two million, two hundred ninety-five thousand, two hundred seventy-two".
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