Base | Representation |
---|---|
bin | 101101111000… |
… | …111100110001 |
3 | 211122011201010 |
4 | 231320330301 |
5 | 11034422440 |
6 | 1105501133 |
7 | 204152100 |
oct | 55707461 |
9 | 24564633 |
10 | 12029745 |
11 | 6877142 |
12 | 40417a9 |
13 | 26526c0 |
14 | 1852037 |
15 | 10c9580 |
hex | b78f31 |
12029745 has 48 divisors (see below), whose sum is σ = 24131520. Its totient is φ = 5072256.
The previous prime is 12029737. The next prime is 12029747. The reversal of 12029745 is 54792021.
It is not a de Polignac number, because 12029745 - 23 = 12029737 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12029747) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8926 + ... + 10184.
It is an arithmetic number, because the mean of its divisors is an integer number (502740).
Almost surely, 212029745 is an apocalyptic number.
12029745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
12029745 is an abundant number, since it is smaller than the sum of its proper divisors (12101775).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12029745 is a wasteful number, since it uses less digits than its factorization.
12029745 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1294 (or 1287 counting only the distinct ones).
The product of its (nonzero) digits is 5040, while the sum is 30.
The square root of 12029745 is about 3468.3922788520. The cubic root of 12029745 is about 229.1318564573.
The spelling of 12029745 in words is "twelve million, twenty-nine thousand, seven hundred forty-five".
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