Base | Representation |
---|---|
bin | 1001011101010100111100 |
3 | 11122222010101 |
4 | 21131110330 |
5 | 1113320140 |
6 | 125050444 |
7 | 30034426 |
oct | 11352474 |
9 | 4588111 |
10 | 2479420 |
11 | 1443909 |
12 | 9b6a24 |
13 | 68a718 |
14 | 487816 |
15 | 33e99a |
hex | 25d53c |
2479420 has 24 divisors (see below), whose sum is σ = 5247648. Its totient is φ = 984000.
The previous prime is 2479409. The next prime is 2479429. The reversal of 2479420 is 249742.
It is a super-2 number, since 2×24794202 = 12295047072800, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2479429) 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, 2610 + ... + 3430.
It is an arithmetic number, because the mean of its divisors is an integer number (218652).
22479420 is an apocalyptic number.
2479420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2479420 is an abundant number, since it is smaller than the sum of its proper divisors (2768228).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2479420 is a wasteful number, since it uses less digits than its factorization.
2479420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 981 (or 979 counting only the distinct ones).
The product of its (nonzero) digits is 4032, while the sum is 28.
The square root of 2479420 is about 1574.6174138501. The cubic root of 2479420 is about 135.3474361181.
The spelling of 2479420 in words is "two million, four hundred seventy-nine thousand, four hundred twenty".
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