Base | Representation |
---|---|
bin | 110010001111… |
… | …000000010100 |
3 | 220210001000011 |
4 | 302033000110 |
5 | 11332344120 |
6 | 1150130004 |
7 | 216634411 |
oct | 62170024 |
9 | 26701004 |
10 | 13168660 |
11 | 748489a |
12 | 44b0904 |
13 | 2960c0b |
14 | 1a6b108 |
15 | 1251c5a |
hex | c8f014 |
13168660 has 12 divisors (see below), whose sum is σ = 27654228. Its totient is φ = 5267456.
The previous prime is 13168657. The next prime is 13168663. The reversal of 13168660 is 6686131.
It is an interprime number because it is at equal distance from previous prime (13168657) and next prime (13168663).
It can be written as a sum of positive squares in 2 ways, for example, as 7997584 + 5171076 = 2828^2 + 2274^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13168663) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329197 + ... + 329236.
It is an arithmetic number, because the mean of its divisors is an integer number (2304519).
Almost surely, 213168660 is an apocalyptic number.
13168660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13168660 is an abundant number, since it is smaller than the sum of its proper divisors (14485568).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13168660 is a wasteful number, since it uses less digits than its factorization.
13168660 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 658442 (or 658440 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 31.
The square root of 13168660 is about 3628.8648362815. The cubic root of 13168660 is about 236.1459644768.
The spelling of 13168660 in words is "thirteen million, one hundred sixty-eight thousand, six hundred sixty".
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