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544145530 = 2554414553
BaseRepresentation
bin100000011011110…
…000000001111010
31101220220110100011
4200123300001322
52103300124110
6125554532134
716325106055
oct4033600172
91356813304
10544145530
1125a179655
1213229704a
1388970806
14523a7a9c
1532b8848a
hex206f007a

544145530 has 8 divisors (see below), whose sum is σ = 979461972. Its totient is φ = 217658208.

The previous prime is 544145519. The next prime is 544145533. The reversal of 544145530 is 35541445.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 541353289 + 2792241 = 23267^2 + 1671^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 544145492 and 544145501.

It is not an unprimeable number, because it can be changed into a prime (544145533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27207267 + ... + 27207286.

Almost surely, 2544145530 is an apocalyptic number.

544145530 is a deficient number, since it is larger than the sum of its proper divisors (435316442).

544145530 is a wasteful number, since it uses less digits than its factorization.

544145530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54414560.

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 544145530 is about 23326.9271443969. The cubic root of 544145530 is about 816.4038084112.

Adding to 544145530 its reverse (35541445), we get a palindrome (579686975).

The spelling of 544145530 in words is "five hundred forty-four million, one hundred forty-five thousand, five hundred thirty".

Divisors: 1 2 5 10 54414553 108829106 272072765 544145530