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2427944 = 23303493
BaseRepresentation
bin1001010000110000101000
311120100111212
421100300220
51110143234
6124012252
726431361
oct11206050
94510455
102427944
111409172
12991088
1367016c
14472b68
1532e5ce
hex250c28

2427944 has 8 divisors (see below), whose sum is σ = 4552410. Its totient is φ = 1213968.

The previous prime is 2427911. The next prime is 2427947. The reversal of 2427944 is 4497242.

It can be written as a sum of positive squares in only one way, i.e., 2365444 + 62500 = 1538^2 + 250^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 2427944.

It is not an unprimeable number, because it can be changed into a prime (2427947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151739 + ... + 151754.

22427944 is an apocalyptic number.

It is an amenable number.

2427944 is a deficient number, since it is larger than the sum of its proper divisors (2124466).

2427944 is a wasteful number, since it uses less digits than its factorization.

2427944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303499 (or 303495 counting only the distinct ones).

The product of its digits is 16128, while the sum is 32.

The square root of 2427944 is about 1558.1861249543. The cubic root of 2427944 is about 134.4042149566.

The spelling of 2427944 in words is "two million, four hundred twenty-seven thousand, nine hundred forty-four".

Divisors: 1 2 4 8 303493 606986 1213972 2427944