Base | Representation |
---|---|
bin | 10010100111111… |
… | …01011000111010 |
3 | 101212222011100000 |
4 | 21103331120322 |
5 | 304443232010 |
6 | 23300253430 |
7 | 3604623453 |
oct | 1123753072 |
9 | 355864300 |
10 | 156227130 |
11 | 80205834 |
12 | 443a1276 |
13 | 2649c3b7 |
14 | 16a6a12a |
15 | daae7c0 |
hex | 94fd63a |
156227130 has 96 divisors (see below), whose sum is σ = 424569600. Its totient is φ = 41332032.
The previous prime is 156227111. The next prime is 156227173. The reversal of 156227130 is 31722651.
It is a happy number.
156227130 is a `hidden beast` number, since 1 + 5 + 622 + 7 + 1 + 30 = 666.
It is a super-2 number, since 2×1562271302 = 48813832296073800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 156227094 and 156227103.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 580636 + ... + 580904.
It is an arithmetic number, because the mean of its divisors is an integer number (4422600).
Almost surely, 2156227130 is an apocalyptic number.
156227130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 156227130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212284800).
156227130 is an abundant number, since it is smaller than the sum of its proper divisors (268342470).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
156227130 is a wasteful number, since it uses less digits than its factorization.
156227130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 530 (or 518 counting only the distinct ones).
The product of its (nonzero) digits is 2520, while the sum is 27.
The square root of 156227130 is about 12499.0851665232. The cubic root of 156227130 is about 538.5823928677.
Adding to 156227130 its reverse (31722651), we get a palindrome (187949781).
The spelling of 156227130 in words is "one hundred fifty-six million, two hundred twenty-seven thousand, one hundred thirty".
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