Base | Representation |
---|---|
bin | 10000111110111… |
… | …11011100110111 |
3 | 100221002101020100 |
4 | 20133133130313 |
5 | 242433114030 |
6 | 22045405143 |
7 | 3350000136 |
oct | 1037373467 |
9 | 327071210 |
10 | 142473015 |
11 | 734710a3 |
12 | 3b8697b3 |
13 | 23694b79 |
14 | 14cc991d |
15 | c794360 |
hex | 87df737 |
142473015 has 12 divisors (see below), whose sum is σ = 246953304. Its totient is φ = 75985584.
The previous prime is 142473007. The next prime is 142473031. The reversal of 142473015 is 510374241.
It is not a de Polignac number, because 142473015 - 23 = 142473007 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 142473015.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1582989 + ... + 1583078.
It is an arithmetic number, because the mean of its divisors is an integer number (20579442).
Almost surely, 2142473015 is an apocalyptic number.
142473015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
142473015 is a deficient number, since it is larger than the sum of its proper divisors (104480289).
142473015 is a wasteful number, since it uses less digits than its factorization.
142473015 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3166078 (or 3166075 counting only the distinct ones).
The product of its (nonzero) digits is 3360, while the sum is 27.
The square root of 142473015 is about 11936.2060555270. The cubic root of 142473015 is about 522.2889909013.
The spelling of 142473015 in words is "one hundred forty-two million, four hundred seventy-three thousand, fifteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •