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2813493 = 32973443
BaseRepresentation
bin1010101110111000110101
312021221101110
422232320311
51210012433
6140145233
732625414
oct12567065
95257343
102813493
111651901
12b38219
137767b7
1453347b
153a8963
hex2aee35

2813493 has 16 divisors (see below), whose sum is σ = 3942720. Its totient is φ = 1782144.

The previous prime is 2813479. The next prime is 2813497. The reversal of 2813493 is 3943182.

It is not a de Polignac number, because 2813493 - 24 = 2813477 is a prime.

It is a super-2 number, since 2×28134932 = 15831485722098, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2813493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2813497) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 6130 + ... + 6572.

It is an arithmetic number, because the mean of its divisors is an integer number (246420).

22813493 is an apocalyptic number.

It is an amenable number.

2813493 is a deficient number, since it is larger than the sum of its proper divisors (1129227).

2813493 is a wasteful number, since it uses less digits than its factorization.

2813493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548.

The product of its digits is 5184, while the sum is 30.

The square root of 2813493 is about 1677.3470123979. The cubic root of 2813493 is about 141.1720148001.

The spelling of 2813493 in words is "two million, eight hundred thirteen thousand, four hundred ninety-three".

Divisors: 1 3 29 73 87 219 443 1329 2117 6351 12847 32339 38541 97017 937831 2813493