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2256653 = 71791801
BaseRepresentation
bin1000100110111100001101
311020122112202
420212330031
51034203103
6120211245
725116110
oct10467415
94218482
102256653
111301503
12909b25
136101c9
1442a577
152e8988
hex226f0d

2256653 has 8 divisors (see below), whose sum is σ = 2594880. Its totient is φ = 1922400.

The previous prime is 2256637. The next prime is 2256673. The reversal of 2256653 is 3566522.

It is a happy number.

2256653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2256653 - 24 = 2256637 is a prime.

It is a d-powerful number, because it can be written as 216 + 221 + 52 + 66 + 66 + 54 + 3 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2256613) 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, 353 + ... + 2153.

It is an arithmetic number, because the mean of its divisors is an integer number (324360).

22256653 is an apocalyptic number.

It is an amenable number.

2256653 is a deficient number, since it is larger than the sum of its proper divisors (338227).

2256653 is a wasteful number, since it uses less digits than its factorization.

2256653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1987.

The product of its digits is 10800, while the sum is 29.

The square root of 2256653 is about 1502.2160297374. The cubic root of 2256653 is about 131.1660966396.

The spelling of 2256653 in words is "two million, two hundred fifty-six thousand, six hundred fifty-three".

Divisors: 1 7 179 1253 1801 12607 322379 2256653