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4287243454 = 2131491106671
BaseRepresentation
bin1111111110001010…
…0010010010111110
3102001210012112101121
43333202202102332
532240013242304
61545230301154
7211145653024
oct37742422276
912053175347
104287243454
11190004550a
129b79577ba
135342a4060
142c9566714
151a15b4554
hexff8a24be

4287243454 has 16 divisors (see below), whose sum is σ = 6972033600. Its totient is φ = 1965445920.

The previous prime is 4287243451. The next prime is 4287243473. The reversal of 4287243454 is 4543427824.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 4287243454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4287243451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 549462 + ... + 557209.

It is an arithmetic number, because the mean of its divisors is an integer number (435752100).

Almost surely, 24287243454 is an apocalyptic number.

4287243454 is a deficient number, since it is larger than the sum of its proper divisors (2684790146).

4287243454 is a wasteful number, since it uses less digits than its factorization.

4287243454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106835.

The product of its digits is 860160, while the sum is 43.

The square root of 4287243454 is about 65477.0452448795. The cubic root of 4287243454 is about 1624.5236889128.

The spelling of 4287243454 in words is "four billion, two hundred eighty-seven million, two hundred forty-three thousand, four hundred fifty-four".

Divisors: 1 2 13 26 149 298 1937 3874 1106671 2213342 14386723 28773446 164893979 329787958 2143621727 4287243454