Base | Representation |
---|---|
bin | 10000111101000… |
… | …00001110000111 |
3 | 100220121012222001 |
4 | 20132200032013 |
5 | 242401322043 |
6 | 22040050131 |
7 | 3344541100 |
oct | 1036401607 |
9 | 326535861 |
10 | 142214023 |
11 | 73304556 |
12 | 3b763947 |
13 | 23604013 |
14 | 14c5d3a7 |
15 | c74274d |
hex | 87a0387 |
142214023 has 6 divisors (see below), whose sum is σ = 165432696. Its totient is φ = 121897692.
The previous prime is 142213987. The next prime is 142214041. The reversal of 142214023 is 320412241.
It is a de Polignac number, because none of the positive numbers 2k-142214023 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 (142214063) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1451115 + ... + 1451212.
It is an arithmetic number, because the mean of its divisors is an integer number (27572116).
Almost surely, 2142214023 is an apocalyptic number.
142214023 is a deficient number, since it is larger than the sum of its proper divisors (23218673).
142214023 is an equidigital number, since it uses as much as digits as its factorization.
142214023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2902341 (or 2902334 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 19.
The square root of 142214023 is about 11925.3521122020. The cubic root of 142214023 is about 521.9723210663.
Adding to 142214023 its reverse (320412241), we get a palindrome (462626264).
The spelling of 142214023 in words is "one hundred forty-two million, two hundred fourteen thousand, twenty-three".
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