Base | Representation |
---|---|
bin | 10010111000011… |
… | …00001110001110 |
3 | 102001000210102112 |
4 | 21130030032032 |
5 | 311021310123 |
6 | 23414424022 |
7 | 3632151650 |
oct | 1134141616 |
9 | 361023375 |
10 | 158385038 |
11 | 8144a029 |
12 | 45062012 |
13 | 26a76676 |
14 | 1706c6d0 |
15 | dd88d78 |
hex | 970c38e |
158385038 has 32 divisors (see below), whose sum is σ = 286032384. Its totient is φ = 64307232.
The previous prime is 158385013. The next prime is 158385043. The reversal of 158385038 is 830583851.
It is a super-2 number, since 2×1583850382 = 50171640524522888, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 158384986 and 158385004.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32156 + ... + 36752.
It is an arithmetic number, because the mean of its divisors is an integer number (8938512).
Almost surely, 2158385038 is an apocalyptic number.
158385038 is a deficient number, since it is larger than the sum of its proper divisors (127647346).
158385038 is a wasteful number, since it uses less digits than its factorization.
158385038 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4736.
The product of its (nonzero) digits is 115200, while the sum is 41.
The square root of 158385038 is about 12585.1117595356. Note that the first 3 decimals coincide. The cubic root of 158385038 is about 541.0508093680.
The spelling of 158385038 in words is "one hundred fifty-eight million, three hundred eighty-five thousand, thirty-eight".
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