Base | Representation |
---|---|
bin | 10001000010111… |
… | …01110000000101 |
3 | 100222001122212120 |
4 | 20201131300011 |
5 | 243101142331 |
6 | 22104440153 |
7 | 3354253314 |
oct | 1041356005 |
9 | 328048776 |
10 | 142990341 |
11 | 7379483a |
12 | 3ba79059 |
13 | 23816490 |
14 | 14dc227b |
15 | c847796 |
hex | 885dc05 |
142990341 has 8 divisors (see below), whose sum is σ = 205319520. Its totient is φ = 87994032.
The previous prime is 142990339. The next prime is 142990357. The reversal of 142990341 is 143099241.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 142990341 - 21 = 142990339 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142990301) 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 7 ways as a sum of consecutive naturals, for example, 1833171 + ... + 1833248.
It is an arithmetic number, because the mean of its divisors is an integer number (25664940).
Almost surely, 2142990341 is an apocalyptic number.
It is an amenable number.
142990341 is a deficient number, since it is larger than the sum of its proper divisors (62329179).
142990341 is a wasteful number, since it uses less digits than its factorization.
142990341 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3666435.
The product of its (nonzero) digits is 7776, while the sum is 33.
The square root of 142990341 is about 11957.8568732027. The cubic root of 142990341 is about 522.9203790138.
Subtracting 142990341 from its reverse (143099241), we obtain a square (108900 = 3302).
The spelling of 142990341 in words is "one hundred forty-two million, nine hundred ninety thousand, three hundred forty-one".
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