Search a number
-
+
2600420 = 225130021
BaseRepresentation
bin1001111010110111100100
311220010002212
421322313210
51131203140
6131422552
731050254
oct11726744
94803085
102600420
111516809
12a54a58
13700814
144b9964
15365765
hex27ade4

2600420 has 12 divisors (see below), whose sum is σ = 5460924. Its totient is φ = 1040160.

The previous prime is 2600417. The next prime is 2600453. The reversal of 2600420 is 240062.

It can be written as a sum of positive squares in 2 ways, for example, as 362404 + 2238016 = 602^2 + 1496^2 .

It is a hoax number, since the sum of its digits (14) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2600395 and 2600404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64991 + ... + 65030.

It is an arithmetic number, because the mean of its divisors is an integer number (455077).

22600420 is an apocalyptic number.

2600420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2600420 is an abundant number, since it is smaller than the sum of its proper divisors (2860504).

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

2600420 is a wasteful number, since it uses less digits than its factorization.

2600420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130030 (or 130028 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 2600420 is about 1612.5817808719. The cubic root of 2600420 is about 137.5142905257.

Adding to 2600420 its reverse (240062), we get a palindrome (2840482).

The spelling of 2600420 in words is "two million, six hundred thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 130021 260042 520084 650105 1300210 2600420