Search a number
-
+
2704420 = 225135221
BaseRepresentation
bin1010010100010000100100
312002101202201
422110100210
51143020140
6133544244
731662415
oct12242044
95071681
102704420
111587964
12aa5084
13738c64
1450580c
1538649a
hex294424

2704420 has 12 divisors (see below), whose sum is σ = 5679324. Its totient is φ = 1081760.

The previous prime is 2704417. The next prime is 2704421. The reversal of 2704420 is 244072.

It can be written as a sum of positive squares in 2 ways, for example, as 1700416 + 1004004 = 1304^2 + 1002^2 .

It is not an unprimeable number, because it can be changed into a prime (2704421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67591 + ... + 67630.

It is an arithmetic number, because the mean of its divisors is an integer number (473277).

22704420 is an apocalyptic number.

2704420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2704420 is an abundant number, since it is smaller than the sum of its proper divisors (2974904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2704420 is a wasteful number, since it uses less digits than its factorization.

2704420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135230 (or 135228 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 19.

The square root of 2704420 is about 1644.5120856959. The cubic root of 2704420 is about 139.3236081112.

Adding to 2704420 its reverse (244072), we get a palindrome (2948492).

The spelling of 2704420 in words is "two million, seven hundred four thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 135221 270442 540884 676105 1352210 2704420