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2820054 = 23895281
BaseRepresentation
bin1010110000011111010110
312022021101110
422300133112
51210220204
6140235450
732653506
oct12603726
95267343
102820054
111656826
12b3bb86
13779793
14535a06
153aa889
hex2b07d6

2820054 has 16 divisors (see below), whose sum is σ = 5704560. Its totient is φ = 929280.

The previous prime is 2820043. The next prime is 2820071. The reversal of 2820054 is 4500282.

It is a self number, because there is not a number n which added to its sum of digits gives 2820054.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2107 + ... + 3174.

It is an arithmetic number, because the mean of its divisors is an integer number (356535).

22820054 is an apocalyptic number.

2820054 is an abundant number, since it is smaller than the sum of its proper divisors (2884506).

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

2820054 is a wasteful number, since it uses less digits than its factorization.

2820054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5375.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 2820054 is about 1679.3016405637. The cubic root of 2820054 is about 141.2816662238.

The spelling of 2820054 in words is "two million, eight hundred twenty thousand, fifty-four".

Divisors: 1 2 3 6 89 178 267 534 5281 10562 15843 31686 470009 940018 1410027 2820054