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2481939 = 32972843
BaseRepresentation
bin1001011101111100010011
311200002120200
421131330103
51113410224
6125110243
730044655
oct11357423
94602520
102481939
111445799
129b8383
1368b905
144886d5
153405c9
hex25df13

2481939 has 12 divisors (see below), whose sum is σ = 3623256. Its totient is φ = 1636992.

The previous prime is 2481911. The next prime is 2481959. The reversal of 2481939 is 9391842.

It is not a de Polignac number, because 2481939 - 27 = 2481811 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (2481959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 549 + ... + 2294.

It is an arithmetic number, because the mean of its divisors is an integer number (301938).

22481939 is an apocalyptic number.

2481939 is a deficient number, since it is larger than the sum of its proper divisors (1141317).

2481939 is a wasteful number, since it uses less digits than its factorization.

2481939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2946 (or 2943 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 2481939 is about 1575.4170876311. The cubic root of 2481939 is about 135.3932566186.

Subtracting 2481939 from its reverse (9391842), we obtain a triangular number (6909903 = T3717).

It can be divided in two parts, 248 and 1939, that added together give a 7-th power (2187 = 37).

The spelling of 2481939 in words is "two million, four hundred eighty-one thousand, nine hundred thirty-nine".

Divisors: 1 3 9 97 291 873 2843 8529 25587 275771 827313 2481939