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2644148 = 221350849
BaseRepresentation
bin1010000101100010110100
311222100002102
422011202310
51134103043
6132401232
731321613
oct12054264
94870072
102644148
111546651
12a76218
137176b0
144cb87a
153736b8
hex2858b4

2644148 has 12 divisors (see below), whose sum is σ = 4983300. Its totient is φ = 1220352.

The previous prime is 2644141. The next prime is 2644151. The reversal of 2644148 is 8414462.

It can be written as a sum of positive squares in 2 ways, for example, as 1036324 + 1607824 = 1018^2 + 1268^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2644148.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2644141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25373 + ... + 25476.

It is an arithmetic number, because the mean of its divisors is an integer number (415275).

22644148 is an apocalyptic number.

It is an amenable number.

2644148 is a deficient number, since it is larger than the sum of its proper divisors (2339152).

2644148 is a wasteful number, since it uses less digits than its factorization.

2644148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50866 (or 50864 counting only the distinct ones).

The product of its digits is 6144, while the sum is 29.

The square root of 2644148 is about 1626.0836386853. The cubic root of 2644148 is about 138.2808116609.

The spelling of 2644148 in words is "two million, six hundred forty-four thousand, one hundred forty-eight".

Divisors: 1 2 4 13 26 52 50849 101698 203396 661037 1322074 2644148