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2156492 = 2213113367
BaseRepresentation
bin1000001110011111001100
311001120011002
420032133030
51023001432
6114115432
724221102
oct10163714
94046132
102156492
111243228
1287bb78
135a6740
14401c72
152c8e62
hex20e7cc

2156492 has 24 divisors (see below), whose sum is σ = 4111296. Its totient is φ = 983808.

The previous prime is 2156491. The next prime is 2156507. The reversal of 2156492 is 2946512.

It is a happy number.

2156492 is nontrivially palindromic in base 12.

2156492 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2156491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5693 + ... + 6059.

It is an arithmetic number, because the mean of its divisors is an integer number (171304).

22156492 is an apocalyptic number.

It is a pronic number, being equal to 1468×1469.

It is an amenable number.

2156492 is a deficient number, since it is larger than the sum of its proper divisors (1954804).

2156492 is a wasteful number, since it uses less digits than its factorization.

2156492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497 (or 495 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

The square root of 2156492 is about 1468.4999148791. The cubic root of 2156492 is about 129.1960642534.

The spelling of 2156492 in words is "two million, one hundred fifty-six thousand, four hundred ninety-two".

Divisors: 1 2 4 13 26 52 113 226 367 452 734 1468 1469 2938 4771 5876 9542 19084 41471 82942 165884 539123 1078246 2156492