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2813226 = 231336067
BaseRepresentation
bin1010101110110100101010
312021221000120
422232310222
51210010401
6140144110
732624553
oct12566452
95257016
102813226
111651689
12b38036
13776640
1453332a
153a8836
hex2aed2a

2813226 has 16 divisors (see below), whose sum is σ = 6059424. Its totient is φ = 865584.

The previous prime is 2813207. The next prime is 2813227. The reversal of 2813226 is 6223182.

It is a nialpdrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 2813196 and 2813205.

It is not an unprimeable number, because it can be changed into a prime (2813227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17956 + ... + 18111.

It is an arithmetic number, because the mean of its divisors is an integer number (378714).

22813226 is an apocalyptic number.

2813226 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2813226 is an abundant number, since it is smaller than the sum of its proper divisors (3246198).

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

2813226 is a wasteful number, since it uses less digits than its factorization.

2813226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36085.

The product of its digits is 1152, while the sum is 24.

The square root of 2813226 is about 1677.2674205385. The cubic root of 2813226 is about 141.1675489256.

Adding to 2813226 its product of digits (1152), we get a triangular number (2814378 = T2372).

The spelling of 2813226 in words is "two million, eight hundred thirteen thousand, two hundred twenty-six".

Divisors: 1 2 3 6 13 26 39 78 36067 72134 108201 216402 468871 937742 1406613 2813226