Base | Representation |
---|---|
bin | 10010101000111… |
… | …000011111110101 |
3 | 210210102011110000 |
4 | 102220320133311 |
5 | 1120023111221 |
6 | 51010221513 |
7 | 10514652252 |
oct | 2250703765 |
9 | 723364400 |
10 | 312707061 |
11 | 150573497 |
12 | 88884899 |
13 | 4ca29884 |
14 | 2d760429 |
15 | 1c6bde26 |
hex | 12a387f5 |
312707061 has 20 divisors (see below), whose sum is σ = 494610732. Its totient is φ = 196207488.
The previous prime is 312707053. The next prime is 312707069. The reversal of 312707061 is 160707213.
It is an interprime number because it is at equal distance from previous prime (312707053) and next prime (312707069).
It can be written as a sum of positive squares in 2 ways, for example, as 272448036 + 40259025 = 16506^2 + 6345^2 .
It is not a de Polignac number, because 312707061 - 23 = 312707053 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (312707069) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 112170 + ... + 114923.
Almost surely, 2312707061 is an apocalyptic number.
It is an amenable number.
312707061 is a deficient number, since it is larger than the sum of its proper divisors (181903671).
312707061 is a wasteful number, since it uses less digits than its factorization.
312707061 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 227122 (or 227113 counting only the distinct ones).
The product of its (nonzero) digits is 1764, while the sum is 27.
The square root of 312707061 is about 17683.5251293400. The cubic root of 312707061 is about 678.7542510646.
The spelling of 312707061 in words is "three hundred twelve million, seven hundred seven thousand, sixty-one".
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