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4272554221 = 132314289479
BaseRepresentation
bin1111111010101010…
…0000000011101101
3102000202120020112221
43332222200003231
532222233213341
61543543355341
7210610053205
oct37652400355
912022506487
104272554221
1118a2822251
129b2a52b51
1353122ccc0
142c7621405
151a0161ed1
hexfeaa00ed

4272554221 has 8 divisors (see below), whose sum is σ = 4801265280. Its totient is φ = 3772422192.

The previous prime is 4272554183. The next prime is 4272554233. The reversal of 4272554221 is 1224552724.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4272554221 - 215 = 4272521453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4272554921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7144441 + ... + 7145038.

It is an arithmetic number, because the mean of its divisors is an integer number (600158160).

Almost surely, 24272554221 is an apocalyptic number.

It is an amenable number.

4272554221 is a deficient number, since it is larger than the sum of its proper divisors (528711059).

4272554221 is a wasteful number, since it uses less digits than its factorization.

4272554221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14289515.

The product of its digits is 44800, while the sum is 34.

The square root of 4272554221 is about 65364.7781377708. The cubic root of 4272554221 is about 1622.6662162425. Note that the first 3 decimals are identical.

The spelling of 4272554221 in words is "four billion, two hundred seventy-two million, five hundred fifty-four thousand, two hundred twenty-one".

Divisors: 1 13 23 299 14289479 185763227 328658017 4272554221