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5144729 = 31672477
BaseRepresentation
bin10011101000000010011001
3100200101020112
4103220002121
52304112404
6302134105
761505132
oct23500231
910611215
105144729
1129a4347
121881335
1310b1925
1497cc89
156b956e
hex4e8099

5144729 has 8 divisors (see below), whose sum is σ = 5392128. Its totient is φ = 4902480.

The previous prime is 5144719. The next prime is 5144743. The reversal of 5144729 is 9274415.

It is a happy number.

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 5144729 - 212 = 5140633 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5144695 and 5144704.

It is not an unprimeable number, because it can be changed into a prime (5144719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 839 + ... + 3315.

It is an arithmetic number, because the mean of its divisors is an integer number (674016).

Almost surely, 25144729 is an apocalyptic number.

It is an amenable number.

5144729 is a deficient number, since it is larger than the sum of its proper divisors (247399).

5144729 is a wasteful number, since it uses less digits than its factorization.

5144729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2575.

The product of its digits is 10080, while the sum is 32.

The square root of 5144729 is about 2268.1995062163. The cubic root of 5144729 is about 172.6318141138.

The spelling of 5144729 in words is "five million, one hundred forty-four thousand, seven hundred twenty-nine".

Divisors: 1 31 67 2077 2477 76787 165959 5144729