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544755989 = 2338960887
BaseRepresentation
bin100000011110000…
…101000100010101
31101222001110201202
4200132011010111
52103424142424
6130020002245
716333230611
oct4036050425
91358043652
10544755989
1125a556268
12132530385
1388b2562b
14524c6341
1532c592ae
hex20785115

544755989 has 8 divisors (see below), whose sum is σ = 569911680. Its totient is φ = 519722896.

The previous prime is 544755983. The next prime is 544756013. The reversal of 544755989 is 989557445.

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 544755989 - 28 = 544755733 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544755983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21497 + ... + 39390.

It is an arithmetic number, because the mean of its divisors is an integer number (71238960).

Almost surely, 2544755989 is an apocalyptic number.

It is an amenable number.

544755989 is a deficient number, since it is larger than the sum of its proper divisors (25155691).

544755989 is a wasteful number, since it uses less digits than its factorization.

544755989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61299.

The product of its digits is 9072000, while the sum is 56.

The square root of 544755989 is about 23340.0083333318. The cubic root of 544755989 is about 816.7089931878.

The spelling of 544755989 in words is "five hundred forty-four million, seven hundred fifty-five thousand, nine hundred eighty-nine".

Divisors: 1 23 389 8947 60887 1400401 23685043 544755989