Base | Representation |
---|---|
bin | 10000111110001… |
… | …10101110100011 |
3 | 100220220020022200 |
4 | 20133012232203 |
5 | 242421343442 |
6 | 22043304243 |
7 | 3346065660 |
oct | 1037065643 |
9 | 326806280 |
10 | 142371747 |
11 | 73402001 |
12 | 3b81b083 |
13 | 2365aa4b |
14 | 14ca0a67 |
15 | c77434c |
hex | 87c6ba3 |
142371747 has 48 divisors (see below), whose sum is σ = 244408320. Its totient is φ = 78148800.
The previous prime is 142371737. The next prime is 142371763. The reversal of 142371747 is 747173241.
It is not a de Polignac number, because 142371747 - 215 = 142338979 is a prime.
It is not an unprimeable number, because it can be changed into a prime (142371707) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 525222 + ... + 525492.
It is an arithmetic number, because the mean of its divisors is an integer number (5091840).
Almost surely, 2142371747 is an apocalyptic number.
142371747 is a deficient number, since it is larger than the sum of its proper divisors (102036573).
142371747 is a wasteful number, since it uses less digits than its factorization.
142371747 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 584 (or 581 counting only the distinct ones).
The product of its digits is 32928, while the sum is 36.
The square root of 142371747 is about 11931.9632500272. The cubic root of 142371747 is about 522.1652161220.
The spelling of 142371747 in words is "one hundred forty-two million, three hundred seventy-one thousand, seven hundred forty-seven".
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