Base | Representation |
---|---|
bin | 10010110011100… |
… | …101010100000110 |
3 | 210222200200012020 |
4 | 102303211110012 |
5 | 1121232341240 |
6 | 51150304010 |
7 | 10550544156 |
oct | 2263452406 |
9 | 728620166 |
10 | 315512070 |
11 | 152109985 |
12 | 897b8006 |
13 | 5049c543 |
14 | 2dc90766 |
15 | 1ca750d0 |
hex | 12ce5506 |
315512070 has 32 divisors (see below), whose sum is σ = 774842112. Its totient is φ = 82179552.
The previous prime is 315512063. The next prime is 315512101. The reversal of 315512070 is 70215513.
It is a self number, because there is not a number n which added to its sum of digits gives 315512070.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121002 + ... + 123581.
It is an arithmetic number, because the mean of its divisors is an integer number (24213816).
Almost surely, 2315512070 is an apocalyptic number.
315512070 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
315512070 is an abundant number, since it is smaller than the sum of its proper divisors (459330042).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
315512070 is a wasteful number, since it uses less digits than its factorization.
315512070 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 244636.
The product of its (nonzero) digits is 1050, while the sum is 24.
The square root of 315512070 is about 17762.6594292634. The cubic root of 315512070 is about 680.7777073810. Note that the first 4 decimals are identical.
Adding to 315512070 its reverse (70215513), we get a palindrome (385727583).
It can be divided in two parts, 3155 and 12070, that added together give a triangular number (15225 = T174).
The spelling of 315512070 in words is "three hundred fifteen million, five hundred twelve thousand, seventy".
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