Base | Representation |
---|---|
bin | 10001000000101… |
… | …11010101001001 |
3 | 100221112000012110 |
4 | 20200113111021 |
5 | 243012430042 |
6 | 22054332533 |
7 | 3351642342 |
oct | 1040272511 |
9 | 327460173 |
10 | 142701897 |
11 | 73608058 |
12 | 3b95a149 |
13 | 237450c0 |
14 | 14d490c9 |
15 | c7dc09c |
hex | 8817549 |
142701897 has 16 divisors (see below), whose sum is σ = 211516928. Its totient is φ = 84983040.
The previous prime is 142701883. The next prime is 142701929. The reversal of 142701897 is 798107241.
It is not a de Polignac number, because 142701897 - 214 = 142685513 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (142701827) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57808 + ... + 60225.
It is an arithmetic number, because the mean of its divisors is an integer number (13219808).
Almost surely, 2142701897 is an apocalyptic number.
It is an amenable number.
142701897 is a deficient number, since it is larger than the sum of its proper divisors (68815031).
142701897 is a wasteful number, since it uses less digits than its factorization.
142701897 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 118080.
The product of its (nonzero) digits is 28224, while the sum is 39.
The square root of 142701897 is about 11945.7899278365. The cubic root of 142701897 is about 522.5685259208.
The spelling of 142701897 in words is "one hundred forty-two million, seven hundred one thousand, eight hundred ninety-seven".
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