Base | Representation |
---|---|
bin | 100101111010111110100 |
3 | 2100010112200 |
4 | 10233113310 |
5 | 304230422 |
6 | 42344500 |
7 | 13363530 |
oct | 4572764 |
9 | 2303480 |
10 | 1242612 |
11 | 779658 |
12 | 4bb130 |
13 | 346797 |
14 | 244bc0 |
15 | 1982ac |
hex | 12f5f4 |
1242612 has 36 divisors (see below), whose sum is σ = 3590496. Its totient is φ = 354960.
The previous prime is 1242611. The next prime is 1242617. The reversal of 1242612 is 2162421.
1242612 is a `hidden beast` number, since 12 + 42 + 612 = 666.
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a nude number because it is divisible by every one of its digits.
It is an Ulam number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1242611) by changing a digit.
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 11 ways as a sum of consecutive naturals, for example, 2214 + ... + 2717.
It is an arithmetic number, because the mean of its divisors is an integer number (99736).
21242612 is an apocalyptic number.
1242612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1242612 is an abundant number, since it is smaller than the sum of its proper divisors (2347884).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1242612 is a wasteful number, since it uses less digits than its factorization.
1242612 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4948 (or 4943 counting only the distinct ones).
The product of its digits is 192, while the sum is 18.
The square root of 1242612 is about 1114.7250782144. The cubic root of 1242612 is about 107.5090888295.
It can be divided in two parts, 12 and 42612, that added together give a palindrome (42624).
The spelling of 1242612 in words is "one million, two hundred forty-two thousand, six hundred twelve".
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