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2643412 = 22660853
BaseRepresentation
bin1010000101010111010100
311222022002011
422011113110
51134042122
6132354004
731316512
oct12052724
94868064
102643412
111546042
12a75904
13717265
144cb4b2
15373377
hex2855d4

2643412 has 6 divisors (see below), whose sum is σ = 4625978. Its totient is φ = 1321704.

The previous prime is 2643397. The next prime is 2643427. The reversal of 2643412 is 2143462.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2643397) and next prime (2643427).

It can be written as a sum of positive squares in only one way, i.e., 2604996 + 38416 = 1614^2 + 196^2 .

It is a d-powerful number, because it can be written as 23 + 63 + 44 + 313 + 410 + 1 + 25 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 330423 + ... + 330430.

22643412 is an apocalyptic number.

It is an amenable number.

2643412 is a deficient number, since it is larger than the sum of its proper divisors (1982566).

2643412 is a wasteful number, since it uses less digits than its factorization.

2643412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660857 (or 660855 counting only the distinct ones).

The product of its digits is 1152, while the sum is 22.

The square root of 2643412 is about 1625.8573123125. The cubic root of 2643412 is about 138.2679802911.

Adding to 2643412 its reverse (2143462), we get a palindrome (4786874).

The spelling of 2643412 in words is "two million, six hundred forty-three thousand, four hundred twelve".

Divisors: 1 2 4 660853 1321706 2643412