Base | Representation |
---|---|
bin | 10010111000101… |
… | …11001111001011 |
3 | 102001010002022112 |
4 | 21130113033023 |
5 | 311024231110 |
6 | 23415412535 |
7 | 3632430332 |
oct | 1134271713 |
9 | 361102275 |
10 | 158430155 |
11 | 8147aa14 |
12 | 4508414b |
13 | 26a91070 |
14 | 17080d19 |
15 | dd97405 |
hex | 97173cb |
158430155 has 16 divisors (see below), whose sum is σ = 207338880. Its totient is φ = 115509888.
The previous prime is 158430133. The next prime is 158430169. The reversal of 158430155 is 551034851.
It is not a de Polignac number, because 158430155 - 214 = 158413771 is a prime.
It is a super-2 number, since 2×1584301552 = 50200228026648050, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10292 + ... + 20561.
It is an arithmetic number, because the mean of its divisors is an integer number (12958680).
Almost surely, 2158430155 is an apocalyptic number.
158430155 is a deficient number, since it is larger than the sum of its proper divisors (48908725).
158430155 is a wasteful number, since it uses less digits than its factorization.
158430155 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30950.
The product of its (nonzero) digits is 12000, while the sum is 32.
The square root of 158430155 is about 12586.9041070471. The cubic root of 158430155 is about 541.1021784287.
The spelling of 158430155 in words is "one hundred fifty-eight million, four hundred thirty thousand, one hundred fifty-five".
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