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2813740 = 225269523
BaseRepresentation
bin1010101110111100101100
312021221201121
422232330230
51210014430
6140150324
732626216
oct12567454
95257647
102813740
111652006
12b383a4
13776947
145335b6
153a8a7a
hex2aef2c

2813740 has 24 divisors (see below), whose sum is σ = 5942160. Its totient is φ = 1119168.

The previous prime is 2813737. The next prime is 2813807. The reversal of 2813740 is 473182.

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, 5119 + ... + 5641.

It is an arithmetic number, because the mean of its divisors is an integer number (247590).

22813740 is an apocalyptic number.

2813740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2813740 is an abundant number, since it is smaller than the sum of its proper divisors (3128420).

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

2813740 is a wasteful number, since it uses less digits than its factorization.

2813740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801 (or 799 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 2813740 is about 1677.4206389573. The cubic root of 2813740 is about 141.1761459007.

It can be divided in two parts, 2813 and 740, that added together give a palindrome (3553).

The spelling of 2813740 in words is "two million, eight hundred thirteen thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 269 523 538 1046 1076 1345 2092 2615 2690 5230 5380 10460 140687 281374 562748 703435 1406870 2813740