Base | Representation |
---|---|
bin | 101110101101… |
… | …101110010000 |
3 | 212001011020000 |
4 | 232231232100 |
5 | 11113332104 |
6 | 1114250000 |
7 | 206042226 |
oct | 56555620 |
9 | 25034200 |
10 | 12245904 |
11 | 6a04590 |
12 | 4126900 |
13 | 26c9bc8 |
14 | 18aab16 |
15 | 111d639 |
hex | badb90 |
12245904 has 100 divisors (see below), whose sum is σ = 38710320. Its totient is φ = 3706560.
The previous prime is 12245879. The next prime is 12245929. The reversal of 12245904 is 40954221.
It is an interprime number because it is at equal distance from previous prime (12245879) and next prime (12245929).
It is a Harshad number since it is a multiple of its sum of digits (27).
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 19 ways as a sum of consecutive naturals, for example, 13827 + ... + 14685.
Almost surely, 212245904 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12245904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19355160).
12245904 is an abundant number, since it is smaller than the sum of its proper divisors (26464416).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12245904 is a wasteful number, since it uses less digits than its factorization.
12245904 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 890 (or 875 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 27.
The square root of 12245904 is about 3499.4148082215. The cubic root of 12245904 is about 230.4961187496.
The spelling of 12245904 in words is "twelve million, two hundred forty-five thousand, nine hundred four".
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