Base | Representation |
---|---|
bin | 101110111001… |
… | …000101110110 |
3 | 212010112002200 |
4 | 232321011312 |
5 | 11121324340 |
6 | 1115245330 |
7 | 206325051 |
oct | 56710566 |
9 | 25115080 |
10 | 12292470 |
11 | 6a36573 |
12 | 4149846 |
13 | 2715168 |
14 | 18bda98 |
15 | 112c330 |
hex | bb9176 |
12292470 has 48 divisors (see below), whose sum is σ = 32415552. Its totient is φ = 3231360.
The previous prime is 12292463. The next prime is 12292471. The reversal of 12292470 is 7429221.
It is a super-2 number, since 2×122924702 = 302209637401800, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12292471) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5635 + ... + 7505.
It is an arithmetic number, because the mean of its divisors is an integer number (675324).
Almost surely, 212292470 is an apocalyptic number.
12292470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 12292470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16207776).
12292470 is an abundant number, since it is smaller than the sum of its proper divisors (20123082).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12292470 is a wasteful number, since it uses less digits than its factorization.
12292470 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1957 (or 1954 counting only the distinct ones).
The product of its (nonzero) digits is 2016, while the sum is 27.
The square root of 12292470 is about 3506.0618933499. The cubic root of 12292470 is about 230.7879090010.
The spelling of 12292470 in words is "twelve million, two hundred ninety-two thousand, four hundred seventy".
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