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2249385 = 35295171
BaseRepresentation
bin1000100101001010101001
311020021120120
420211022221
51033440020
6120113453
725055655
oct10451251
94207516
102249385
1112a6aa6
12905889
13609ac8
14427a65
152e6740
hex2252a9

2249385 has 16 divisors (see below), whose sum is σ = 3723840. Its totient is φ = 1158080.

The previous prime is 2249381. The next prime is 2249393. The reversal of 2249385 is 5839422.

It is a happy number.

It is not a de Polignac number, because 2249385 - 22 = 2249381 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 27 + 213 + 48 + 9 + 35 + 87 + 57 .

It is not an unprimeable number, because it can be changed into a prime (2249381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2151 + ... + 3020.

It is an arithmetic number, because the mean of its divisors is an integer number (232740).

22249385 is an apocalyptic number.

It is an amenable number.

2249385 is a deficient number, since it is larger than the sum of its proper divisors (1474455).

2249385 is a wasteful number, since it uses less digits than its factorization.

2249385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5208.

The product of its digits is 17280, while the sum is 33.

The square root of 2249385 is about 1499.7949859898. The cubic root of 2249385 is about 131.0251296895.

It can be divided in two parts, 22493 and 85, that added together give a triangular number (22578 = T212).

The spelling of 2249385 in words is "two million, two hundred forty-nine thousand, three hundred eighty-five".

Divisors: 1 3 5 15 29 87 145 435 5171 15513 25855 77565 149959 449877 749795 2249385