Base | Representation |
---|---|
bin | 10000111100101… |
… | …10110000001001 |
3 | 100220112020202200 |
4 | 20132112300021 |
5 | 242344101431 |
6 | 22035150413 |
7 | 3344320035 |
oct | 1036266011 |
9 | 326466680 |
10 | 142175241 |
11 | 732883aa |
12 | 3b745409 |
13 | 235bc480 |
14 | 14c4d1c5 |
15 | c735ee6 |
hex | 8796c09 |
142175241 has 12 divisors (see below), whose sum is σ = 221161668. Its totient is φ = 87492384.
The previous prime is 142175239. The next prime is 142175261. The reversal of 142175241 is 142571241.
It can be written as a sum of positive squares in 2 ways, for example, as 10017225 + 132158016 = 3165^2 + 11496^2 .
It is not a de Polignac number, because 142175241 - 21 = 142175239 is a prime.
It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (142175261) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 607470 + ... + 607703.
It is an arithmetic number, because the mean of its divisors is an integer number (18430139).
Almost surely, 2142175241 is an apocalyptic number.
It is an amenable number.
142175241 is a deficient number, since it is larger than the sum of its proper divisors (78986427).
142175241 is a wasteful number, since it uses less digits than its factorization.
142175241 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1215192 (or 1215189 counting only the distinct ones).
The product of its digits is 2240, while the sum is 27.
The square root of 142175241 is about 11923.7259696791. The cubic root of 142175241 is about 521.9248691800.
The spelling of 142175241 in words is "one hundred forty-two million, one hundred seventy-five thousand, two hundred forty-one".
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