Base | Representation |
---|---|
bin | 10001000000111… |
… | …10111011100111 |
3 | 100221120120220120 |
4 | 20200132323213 |
5 | 243014424111 |
6 | 22055133023 |
7 | 3352132200 |
oct | 1040367347 |
9 | 327516816 |
10 | 142733031 |
11 | 73629491 |
12 | 3b974173 |
13 | 2375631c |
14 | 14d565a7 |
15 | c7e6406 |
hex | 881eee7 |
142733031 has 48 divisors (see below), whose sum is σ = 229999104. Its totient is φ = 78454656.
The previous prime is 142733029. The next prime is 142733033. The reversal of 142733031 is 130337241.
It is an interprime number because it is at equal distance from previous prime (142733029) and next prime (142733033).
It is not a de Polignac number, because 142733031 - 21 = 142733029 is a prime.
It is a super-2 number, since 2×1427330312 = 40745436276893922, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 142732992 and 142733010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142733033) 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, 504216 + ... + 504498.
It is an arithmetic number, because the mean of its divisors is an integer number (4791648).
Almost surely, 2142733031 is an apocalyptic number.
142733031 is a deficient number, since it is larger than the sum of its proper divisors (87266073).
142733031 is a wasteful number, since it uses less digits than its factorization.
142733031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 420 (or 413 counting only the distinct ones).
The product of its (nonzero) digits is 1512, while the sum is 24.
The square root of 142733031 is about 11947.0929936952. The cubic root of 142733031 is about 522.6065269700.
The spelling of 142733031 in words is "one hundred forty-two million, seven hundred thirty-three thousand, thirty-one".
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