Base | Representation |
---|---|
bin | 101110101110… |
… | …001111001010 |
3 | 212001021010000 |
4 | 232232033022 |
5 | 11113414020 |
6 | 1114303430 |
7 | 206051325 |
oct | 56561712 |
9 | 25037100 |
10 | 12248010 |
11 | 6a06125 |
12 | 4127b76 |
13 | 26cab58 |
14 | 18ab7bc |
15 | 111e090 |
hex | bae3ca |
12248010 has 40 divisors (see below), whose sum is σ = 32935716. Its totient is φ = 3265920.
The previous prime is 12247981. The next prime is 12248011. The reversal of 12248010 is 1084221.
It can be written as a sum of positive squares in 2 ways, for example, as 11634921 + 613089 = 3411^2 + 783^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (12248011) 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, 6751 + ... + 8370.
Almost surely, 212248010 is an apocalyptic number.
12248010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12248010 is an abundant number, since it is smaller than the sum of its proper divisors (20687706).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12248010 is a wasteful number, since it uses less digits than its factorization.
12248010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15140 (or 15131 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 18.
The square root of 12248010 is about 3499.7157027393. The cubic root of 12248010 is about 230.5093312491.
The spelling of 12248010 in words is "twelve million, two hundred forty-eight thousand, ten".
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