Base | Representation |
---|---|
bin | 10010110111011… |
… | …00001111001111 |
3 | 102000210010201102 |
4 | 21123230033033 |
5 | 311003112111 |
6 | 23411533315 |
7 | 3631065005 |
oct | 1133541717 |
9 | 360703642 |
10 | 158254031 |
11 | 8136a661 |
12 | 44bba23b |
13 | 26a2bb50 |
14 | 17036a75 |
15 | dd6013b |
hex | 96ec3cf |
158254031 has 4 divisors (see below), whose sum is σ = 170427432. Its totient is φ = 146080632.
The previous prime is 158254027. The next prime is 158254051. The reversal of 158254031 is 130452851.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 158254031 - 22 = 158254027 is a prime.
It is a super-2 number, since 2×1582540312 = 50088676655497922, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 158253985 and 158254003.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (158254001) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6086681 + ... + 6086706.
It is an arithmetic number, because the mean of its divisors is an integer number (42606858).
Almost surely, 2158254031 is an apocalyptic number.
158254031 is a deficient number, since it is larger than the sum of its proper divisors (12173401).
158254031 is a wasteful number, since it uses less digits than its factorization.
158254031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12173400.
The product of its (nonzero) digits is 4800, while the sum is 29.
The square root of 158254031 is about 12579.9058422549. The cubic root of 158254031 is about 540.9015928421.
The spelling of 158254031 in words is "one hundred fifty-eight million, two hundred fifty-four thousand, thirty-one".
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