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272144989 = 2339116351
BaseRepresentation
bin10000001110001…
…001101001011101
3200222002101202001
4100032021221131
51024132114424
643001002301
76513123424
oct2016115135
9628071661
10272144989
1112a689616
1277183391
13444c724c
14282022bb
1518d5a844
hex10389a5d

272144989 has 4 divisors (see below), whose sum is σ = 272263680. Its totient is φ = 272026300.

The previous prime is 272144911. The next prime is 272145007. The reversal of 272144989 is 989441272.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 272144989 - 213 = 272136797 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 (272144489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55837 + ... + 60514.

It is an arithmetic number, because the mean of its divisors is an integer number (68065920).

Almost surely, 2272144989 is an apocalyptic number.

It is an amenable number.

272144989 is a deficient number, since it is larger than the sum of its proper divisors (118691).

272144989 is a wasteful number, since it uses less digits than its factorization.

272144989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118690.

The product of its digits is 290304, while the sum is 46.

The square root of 272144989 is about 16496.8175415745. The cubic root of 272144989 is about 648.0374643342.

The spelling of 272144989 in words is "two hundred seventy-two million, one hundred forty-four thousand, nine hundred eighty-nine".

Divisors: 1 2339 116351 272144989