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2102854 = 213312609
BaseRepresentation
bin1000000001011001000110
310221211120111
420001121012
51014242404
6113023234
723605525
oct10013106
93854514
102102854
1112069a6
12854b1a
135881c0
143ca4bc
152b8104
hex201646

2102854 has 16 divisors (see below), whose sum is σ = 3507840. Its totient is φ = 938880.

The previous prime is 2102851. The next prime is 2102857. The reversal of 2102854 is 4582012.

It is an interprime number because it is at equal distance from previous prime (2102851) and next prime (2102857).

It is a d-powerful number, because it can be written as 211 + 1 + 0 + 221 + 83 + 55 + 42 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 499 + ... + 2110.

It is an arithmetic number, because the mean of its divisors is an integer number (219240).

22102854 is an apocalyptic number.

2102854 is a deficient number, since it is larger than the sum of its proper divisors (1404986).

2102854 is a wasteful number, since it uses less digits than its factorization.

2102854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2655.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 2102854 is about 1450.1220638277. The cubic root of 2102854 is about 128.1159025069.

Adding to 2102854 its reverse (4582012), we get a palindrome (6684866).

The spelling of 2102854 in words is "two million, one hundred two thousand, eight hundred fifty-four".

Divisors: 1 2 13 26 31 62 403 806 2609 5218 33917 67834 80879 161758 1051427 2102854