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2249949 = 313311861
BaseRepresentation
bin1000100101010011011101
311020022100110
420211103131
51033444244
6120120233
725060422
oct10452335
94208313
102249949
1112a7469
12906079
1360a140
14427d49
152e69b9
hex2254dd

2249949 has 16 divisors (see below), whose sum is σ = 3336704. Its totient is φ = 1339200.

The previous prime is 2249941. The next prime is 2249953. The reversal of 2249949 is 9499422.

2249949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2249949 - 23 = 2249941 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2249941) 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 15 ways as a sum of consecutive naturals, for example, 279 + ... + 2139.

It is an arithmetic number, because the mean of its divisors is an integer number (208544).

22249949 is an apocalyptic number.

It is an amenable number.

2249949 is a deficient number, since it is larger than the sum of its proper divisors (1086755).

2249949 is a wasteful number, since it uses less digits than its factorization.

2249949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1908.

The product of its digits is 46656, while the sum is 39.

The square root of 2249949 is about 1499.9829999037. The cubic root of 2249949 is about 131.0360796451.

The spelling of 2249949 in words is "two million, two hundred forty-nine thousand, nine hundred forty-nine".

Divisors: 1 3 13 31 39 93 403 1209 1861 5583 24193 57691 72579 173073 749983 2249949