Base | Representation |
---|---|
bin | 111110100010110111101 |
3 | 10212010100021 |
4 | 13310112331 |
5 | 1011040334 |
6 | 111532141 |
7 | 23264062 |
oct | 7642675 |
9 | 3763307 |
10 | 2049469 |
11 | 117a884 |
12 | 82a051 |
13 | 569b06 |
14 | 3b4c69 |
15 | 2a73b4 |
hex | 1f45bd |
2049469 has 4 divisors (see below), whose sum is σ = 2170044. Its totient is φ = 1928896.
The previous prime is 2049451. The next prime is 2049491. The reversal of 2049469 is 9649402.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 1836025 + 213444 = 1355^2 + 462^2 .
It is a cyclic number.
It is not a de Polignac number, because 2049469 - 29 = 2048957 is a prime.
It is a super-2 number, since 2×20494692 = 8400646363922, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2049409) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60262 + ... + 60295.
It is an arithmetic number, because the mean of its divisors is an integer number (542511).
22049469 is an apocalyptic number.
It is an amenable number.
2049469 is a deficient number, since it is larger than the sum of its proper divisors (120575).
2049469 is a wasteful number, since it uses less digits than its factorization.
2049469 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 120574.
The product of its (nonzero) digits is 15552, while the sum is 34.
The square root of 2049469 is about 1431.5966610746. The cubic root of 2049469 is about 127.0224400796.
The spelling of 2049469 in words is "two million, forty-nine thousand, four hundred sixty-nine".
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