Base | Representation |
---|---|
bin | 10001000001011… |
… | …10000101001111 |
3 | 100221200202000221 |
4 | 20200232011033 |
5 | 243023420322 |
6 | 22100332211 |
7 | 3352511131 |
oct | 1040560517 |
9 | 327622027 |
10 | 142795087 |
11 | 73671076 |
12 | 3b9a4067 |
13 | 23778646 |
14 | 14d71051 |
15 | c8099c7 |
hex | 882e14f |
142795087 has 8 divisors (see below), whose sum is σ = 154883232. Its totient is φ = 131116800.
The previous prime is 142795073. The next prime is 142795097. The reversal of 142795087 is 780597241.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-142795087 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142795007) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101739 + ... + 103132.
It is an arithmetic number, because the mean of its divisors is an integer number (19360404).
Almost surely, 2142795087 is an apocalyptic number.
142795087 is a gapful number since it is divisible by the number (17) formed by its first and last digit.
142795087 is a deficient number, since it is larger than the sum of its proper divisors (12088145).
142795087 is a wasteful number, since it uses less digits than its factorization.
142795087 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 204929.
The product of its (nonzero) digits is 141120, while the sum is 43.
The square root of 142795087 is about 11949.6898286106. The cubic root of 142795087 is about 522.6822538277.
The spelling of 142795087 in words is "one hundred forty-two million, seven hundred ninety-five thousand, eighty-seven".
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