Base | Representation |
---|---|
bin | 10010101001011… |
… | …000101110100111 |
3 | 210210122212112120 |
4 | 102221120232213 |
5 | 1120041322304 |
6 | 51013121023 |
7 | 10516042200 |
oct | 2251305647 |
9 | 723585476 |
10 | 312839079 |
11 | 1506536a3 |
12 | 88929173 |
13 | 4ca749a7 |
14 | 2d7965a7 |
15 | 1c6e80d9 |
hex | 12a58ba7 |
312839079 has 12 divisors (see below), whose sum is σ = 485220024. Its totient is φ = 178765104.
The previous prime is 312839053. The next prime is 312839129. The reversal of 312839079 is 970938213.
It is not a de Polignac number, because 312839079 - 215 = 312806311 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 312839079.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (312819079) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1063932 + ... + 1064225.
It is an arithmetic number, because the mean of its divisors is an integer number (40435002).
Almost surely, 2312839079 is an apocalyptic number.
312839079 is a deficient number, since it is larger than the sum of its proper divisors (172380945).
312839079 is a wasteful number, since it uses less digits than its factorization.
312839079 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2128174 (or 2128167 counting only the distinct ones).
The product of its (nonzero) digits is 81648, while the sum is 42.
The square root of 312839079 is about 17687.2575319070. The cubic root of 312839079 is about 678.8497559665.
The spelling of 312839079 in words is "three hundred twelve million, eight hundred thirty-nine thousand, seventy-nine".
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