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544233749 = 29157119533
BaseRepresentation
bin100000011100000…
…101100100010101
31101221001221100112
4200130011210111
52103310434444
6130000452405
716325624213
oct4034054425
91357057315
10544233749
1125a229964
1213231a105
13889a1a07
14523cbcb3
1532ba469e
hex20705915

544233749 has 8 divisors (see below), whose sum is σ = 566591160. Its totient is φ = 522115776.

The previous prime is 544233743. The next prime is 544233763. The reversal of 544233749 is 947332445.

It can be written as a sum of positive squares in 4 ways, for example, as 41667025 + 502566724 = 6455^2 + 22418^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-544233749 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 (544233743) 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, 55214 + ... + 64319.

It is an arithmetic number, because the mean of its divisors is an integer number (70823895).

Almost surely, 2544233749 is an apocalyptic number.

It is an amenable number.

544233749 is a deficient number, since it is larger than the sum of its proper divisors (22357411).

544233749 is a wasteful number, since it uses less digits than its factorization.

544233749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119719.

The product of its digits is 362880, while the sum is 41.

The square root of 544233749 is about 23328.8179940605. The cubic root of 544233749 is about 816.4479255525.

The spelling of 544233749 in words is "five hundred forty-four million, two hundred thirty-three thousand, seven hundred forty-nine".

Divisors: 1 29 157 4553 119533 3466457 18766681 544233749