Base | Representation |
---|---|
bin | 10000111100110… |
… | …10110110010001 |
3 | 100220120002210000 |
4 | 20132122312101 |
5 | 242400121032 |
6 | 22035400213 |
7 | 3344416662 |
oct | 1036326621 |
9 | 326502700 |
10 | 142192017 |
11 | 73299a70 |
12 | 3b753069 |
13 | 235c6cb6 |
14 | 14c55369 |
15 | c73ae7c |
hex | 879ad91 |
142192017 has 40 divisors (see below), whose sum is σ = 239754240. Its totient is φ = 83190240.
The previous prime is 142191997. The next prime is 142192069. The reversal of 142192017 is 710291241.
142192017 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 142192017 - 211 = 142189969 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (142192117) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 23088 + ... + 28590.
It is an arithmetic number, because the mean of its divisors is an integer number (5993856).
Almost surely, 2142192017 is an apocalyptic number.
It is an amenable number.
142192017 is a deficient number, since it is larger than the sum of its proper divisors (97562223).
142192017 is a wasteful number, since it uses less digits than its factorization.
142192017 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5555 (or 5546 counting only the distinct ones).
The product of its (nonzero) digits is 1008, while the sum is 27.
The square root of 142192017 is about 11924.4294203119. The cubic root of 142192017 is about 521.9453965873.
The spelling of 142192017 in words is "one hundred forty-two million, one hundred ninety-two thousand, seventeen".
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