Base | Representation |
---|---|
bin | 10010100110010… |
… | …010100000010100 |
3 | 210202010121210100 |
4 | 102212102200110 |
5 | 1114334332111 |
6 | 50543454100 |
7 | 10506121110 |
oct | 2246224024 |
9 | 722117710 |
10 | 312027156 |
11 | 150149691 |
12 | 885b7330 |
13 | 4c84c26c |
14 | 2d624740 |
15 | 1c5d7756 |
hex | 12992814 |
312027156 has 72 divisors (see below), whose sum is σ = 905515520. Its totient is φ = 88744896.
The previous prime is 312027137. The next prime is 312027173. The reversal of 312027156 is 651720213.
It is a happy number.
It is a super-3 number, since 3×3120271563 (a number of 26 digits) contains 333 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55005 + ... + 60411.
Almost surely, 2312027156 is an apocalyptic number.
312027156 is a gapful number since it is divisible by the number (36) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 312027156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (452757760).
312027156 is an abundant number, since it is smaller than the sum of its proper divisors (593488364).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
312027156 is a wasteful number, since it uses less digits than its factorization.
312027156 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5653 (or 5648 counting only the distinct ones).
The product of its (nonzero) digits is 2520, while the sum is 27.
The square root of 312027156 is about 17664.2904188082. The cubic root of 312027156 is about 678.2619657537.
Adding to 312027156 its reverse (651720213), we get a palindrome (963747369).
It can be divided in two parts, 3120 and 27156, that added together give a square (30276 = 1742).
The spelling of 312027156 in words is "three hundred twelve million, twenty-seven thousand, one hundred fifty-six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •