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2694820 = 225134741
BaseRepresentation
bin1010010001111010100100
312001220121011
422101322210
51142213240
6133432004
731622422
oct12217244
95056534
102694820
111580727
12a9b604
1373478b
14502112
153836ea
hex291ea4

2694820 has 12 divisors (see below), whose sum is σ = 5659164. Its totient is φ = 1077920.

The previous prime is 2694803. The next prime is 2694829. The reversal of 2694820 is 284962.

It can be written as a sum of positive squares in 2 ways, for example, as 304704 + 2390116 = 552^2 + 1546^2 .

It is not an unprimeable number, because it can be changed into a prime (2694829) 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, 67351 + ... + 67390.

It is an arithmetic number, because the mean of its divisors is an integer number (471597).

22694820 is an apocalyptic number.

2694820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2694820 is an abundant number, since it is smaller than the sum of its proper divisors (2964344).

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

2694820 is a wasteful number, since it uses less digits than its factorization.

2694820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134750 (or 134748 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 2694820 is about 1641.5906919814. The cubic root of 2694820 is about 139.1585582584.

The spelling of 2694820 in words is "two million, six hundred ninety-four thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 134741 269482 538964 673705 1347410 2694820