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2634220 = 225131711
BaseRepresentation
bin1010000011000111101100
311221211110201
422003013230
51133243340
6132243244
731250641
oct12030754
94854421
102634220
11153a146
12a70524
13713014
144c7dc8
1537079a
hex2831ec

2634220 has 12 divisors (see below), whose sum is σ = 5531904. Its totient is φ = 1053680.

The previous prime is 2634199. The next prime is 2634227. The reversal of 2634220 is 224362.

It is not an unprimeable number, because it can be changed into a prime (2634227) 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, 65836 + ... + 65875.

It is an arithmetic number, because the mean of its divisors is an integer number (460992).

22634220 is an apocalyptic number.

2634220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2634220 is an abundant number, since it is smaller than the sum of its proper divisors (2897684).

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

2634220 is a wasteful number, since it uses less digits than its factorization.

2634220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131720 (or 131718 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2634220 is about 1623.0280342619. The cubic root of 2634220 is about 138.1075266418.

Adding to 2634220 its reverse (224362), we get a palindrome (2858582).

It can be divided in two parts, 26342 and 20, that added together give a palindrome (26362).

The spelling of 2634220 in words is "two million, six hundred thirty-four thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 131711 263422 526844 658555 1317110 2634220