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2479149 = 32275461
BaseRepresentation
bin1001011101010000101101
311122221202100
421131100231
51113313044
6125045313
730033561
oct11352055
94587670
102479149
111443692
129b6839
1368a56a
144876a1
1533e869
hex25d42d

2479149 has 6 divisors (see below), whose sum is σ = 3581006. Its totient is φ = 1652760.

The previous prime is 2479129. The next prime is 2479151. The reversal of 2479149 is 9419742.

2479149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2082249 + 396900 = 1443^2 + 630^2 .

It is not a de Polignac number, because 2479149 - 25 = 2479117 is a prime.

It is a super-2 number, since 2×24791492 = 12292359528402, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2479129) 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 5 ways as a sum of consecutive naturals, for example, 137722 + ... + 137739.

22479149 is an apocalyptic number.

It is an amenable number.

2479149 is a deficient number, since it is larger than the sum of its proper divisors (1101857).

2479149 is a wasteful number, since it uses less digits than its factorization.

2479149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275467 (or 275464 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 2479149 is about 1574.5313588494. The cubic root of 2479149 is about 135.3425047912.

It can be divided in two parts, 2479 and 149, that added together give a triangular number (2628 = T72).

The spelling of 2479149 in words is "two million, four hundred seventy-nine thousand, one hundred forty-nine".

Divisors: 1 3 9 275461 826383 2479149