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544849491 = 31979120997
BaseRepresentation
bin100000011110011…
…011111001010011
31101222020012222210
4200132123321103
52103440140431
6130022003203
716334100324
oct4036337123
91358205883
10544849491
1125a60a53a
12132576503
1388b59064
145250c44b
1532c76d46
hex2079be53

544849491 has 16 divisors (see below), whose sum is σ = 774387200. Its totient is φ = 339756768.

The previous prime is 544849489. The next prime is 544849493. The reversal of 544849491 is 194948445.

It is an interprime number because it is at equal distance from previous prime (544849489) and next prime (544849493).

It is not a de Polignac number, because 544849491 - 21 = 544849489 is a prime.

It is a super-3 number, since 3×5448494913 (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 544849491.

It is not an unprimeable number, because it can be changed into a prime (544849493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55996 + ... + 65001.

It is an arithmetic number, because the mean of its divisors is an integer number (48399200).

Almost surely, 2544849491 is an apocalyptic number.

544849491 is a deficient number, since it is larger than the sum of its proper divisors (229537709).

544849491 is a wasteful number, since it uses less digits than its factorization.

544849491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121098.

The product of its digits is 829440, while the sum is 48.

The square root of 544849491 is about 23342.0112886615. The cubic root of 544849491 is about 816.7557171995.

The spelling of 544849491 in words is "five hundred forty-four million, eight hundred forty-nine thousand, four hundred ninety-one".

Divisors: 1 3 19 57 79 237 1501 4503 120997 362991 2298943 6896829 9558763 28676289 181616497 544849491