Base | Representation |
---|---|
bin | 10000001100011001011001 |
3 | 21222200011020 |
4 | 100030121121 |
5 | 2041320311 |
6 | 230553053 |
7 | 51040221 |
oct | 20143131 |
9 | 7880136 |
10 | 4245081 |
11 | 243a435 |
12 | 1508789 |
13 | b582a9 |
14 | 7c7081 |
15 | 58cc06 |
hex | 40c659 |
4245081 has 8 divisors (see below), whose sum is σ = 5669664. Its totient is φ = 2825280.
The previous prime is 4245079. The next prime is 4245091. The reversal of 4245081 is 1805424.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 4245081 - 21 = 4245079 is a prime.
It is a super-2 number, since 2×42450812 = 36041425393122, which contains 22 as substring.
4245081 is a lucky number.
It is not an unprimeable number, because it can be changed into a prime (4245091) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2625 + ... + 3921.
It is an arithmetic number, because the mean of its divisors is an integer number (708708).
Almost surely, 24245081 is an apocalyptic number.
It is an amenable number.
4245081 is a deficient number, since it is larger than the sum of its proper divisors (1424583).
4245081 is a wasteful number, since it uses less digits than its factorization.
4245081 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2391.
The product of its (nonzero) digits is 1280, while the sum is 24.
The square root of 4245081 is about 2060.3594346618. The cubic root of 4245081 is about 161.9180731915.
The spelling of 4245081 in words is "four million, two hundred forty-five thousand, eighty-one".
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