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2813388 = 223972417
BaseRepresentation
bin1010101110110111001100
312021221020120
422232313030
51210012023
6140144540
732625204
oct12566714
95257216
102813388
111651816
12b38150
13776736
14533404
153a88e3
hex2aedcc

2813388 has 24 divisors (see below), whose sum is σ = 6634992. Its totient is φ = 927744.

The previous prime is 2813353. The next prime is 2813401. The reversal of 2813388 is 8833182.

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 7 ways as a sum of consecutive naturals, for example, 45 + ... + 2372.

It is an arithmetic number, because the mean of its divisors is an integer number (276458).

22813388 is an apocalyptic number.

It is an amenable number.

2813388 is an abundant number, since it is smaller than the sum of its proper divisors (3821604).

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

2813388 is a wasteful number, since it uses less digits than its factorization.

2813388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2521 (or 2519 counting only the distinct ones).

The product of its digits is 9216, while the sum is 33.

The square root of 2813388 is about 1677.3157126790. The cubic root of 2813388 is about 141.1702585910.

The spelling of 2813388 in words is "two million, eight hundred thirteen thousand, three hundred eighty-eight".

Divisors: 1 2 3 4 6 12 97 194 291 388 582 1164 2417 4834 7251 9668 14502 29004 234449 468898 703347 937796 1406694 2813388