Base | Representation |
---|---|
bin | 10000111110101… |
… | …01100010001101 |
3 | 100221000022111222 |
4 | 20133111202031 |
5 | 242430314042 |
6 | 22044453125 |
7 | 3346440542 |
oct | 1037254215 |
9 | 327008458 |
10 | 142432397 |
11 | 73443628 |
12 | 3b84a1a5 |
13 | 2367c533 |
14 | 14cb8bc9 |
15 | c7872d2 |
hex | 87d588d |
142432397 has 2 divisors, whose sum is σ = 142432398. Its totient is φ = 142432396.
The previous prime is 142432387. The next prime is 142432429. The reversal of 142432397 is 793234241.
142432397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 93586276 + 48846121 = 9674^2 + 6989^2 .
It is a cyclic number.
It is not a de Polignac number, because 142432397 - 220 = 141383821 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (142432337) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71216198 + 71216199.
It is an arithmetic number, because the mean of its divisors is an integer number (71216199).
Almost surely, 2142432397 is an apocalyptic number.
It is an amenable number.
142432397 is a deficient number, since it is larger than the sum of its proper divisors (1).
142432397 is an equidigital number, since it uses as much as digits as its factorization.
142432397 is an evil number, because the sum of its binary digits is even.
The product of its digits is 36288, while the sum is 35.
The square root of 142432397 is about 11934.5044723273. The cubic root of 142432397 is about 522.2393526111.
The spelling of 142432397 in words is "one hundred forty-two million, four hundred thirty-two thousand, three hundred ninety-seven".
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