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2827420 = 225141371
BaseRepresentation
bin1010110010010010011100
312022122111021
422302102130
51210434140
6140333524
733014131
oct12622234
95278437
102827420
111661312
12b442a4
1377cc3b
14538588
153acb4a
hex2b249c

2827420 has 12 divisors (see below), whose sum is σ = 5937624. Its totient is φ = 1130960.

The previous prime is 2827403. The next prime is 2827421. The reversal of 2827420 is 247282.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2827421) 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, 70666 + ... + 70705.

It is an arithmetic number, because the mean of its divisors is an integer number (494802).

22827420 is an apocalyptic number.

2827420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2827420 is an abundant number, since it is smaller than the sum of its proper divisors (3110204).

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

2827420 is a wasteful number, since it uses less digits than its factorization.

2827420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141380 (or 141378 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 2827420 is about 1681.4933838704. The cubic root of 2827420 is about 141.4045688322.

The spelling of 2827420 in words is "two million, eight hundred twenty-seven thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 141371 282742 565484 706855 1413710 2827420