Base | Representation |
---|---|
bin | 10000111110101… |
… | …10101001100101 |
3 | 100221000112210011 |
4 | 20133112221211 |
5 | 242430440330 |
6 | 22044530221 |
7 | 3346460056 |
oct | 1037265145 |
9 | 327015704 |
10 | 142436965 |
11 | 73447000 |
12 | 3b850971 |
13 | 23681638 |
14 | 14cba72d |
15 | c78882a |
hex | 87d6a65 |
142436965 has 32 divisors (see below), whose sum is σ = 199221120. Its totient is φ = 97419520.
The previous prime is 142436963. The next prime is 142436981. The reversal of 142436965 is 569634241.
It is not a de Polignac number, because 142436965 - 21 = 142436963 is a prime.
It is a super-2 number, since 2×1424369652 = 40576577996822450, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142436963) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 112506 + ... + 113764.
It is an arithmetic number, because the mean of its divisors is an integer number (6225660).
Almost surely, 2142436965 is an apocalyptic number.
It is an amenable number.
142436965 is a deficient number, since it is larger than the sum of its proper divisors (56784155).
142436965 is a wasteful number, since it uses less digits than its factorization.
142436965 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1314 (or 1292 counting only the distinct ones).
The product of its digits is 155520, while the sum is 40.
The square root of 142436965 is about 11934.6958486591. The cubic root of 142436965 is about 522.2449355260.
The spelling of 142436965 in words is "one hundred forty-two million, four hundred thirty-six thousand, nine hundred sixty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •