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505044113 = 7151477809
BaseRepresentation
bin11110000110100…
…101110010010001
31022012022220021112
4132012211302101
52013242402423
6122040503105
715341542550
oct3606456221
91265286245
10505044113
1123a0a2132
1212117aa95
138082cc92
144b109d97
152e512a78
hex1e1a5c91

505044113 has 8 divisors (see below), whose sum is σ = 581016960. Its totient is φ = 430027200.

The previous prime is 505044107. The next prime is 505044139. The reversal of 505044113 is 311440505.

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 505044113 - 214 = 505027729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505044013) 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, 237848 + ... + 239961.

It is an arithmetic number, because the mean of its divisors is an integer number (72627120).

Almost surely, 2505044113 is an apocalyptic number.

It is an amenable number.

505044113 is a deficient number, since it is larger than the sum of its proper divisors (75972847).

505044113 is a wasteful number, since it uses less digits than its factorization.

505044113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477967.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 505044113 is about 22473.1865341789. The cubic root of 505044113 is about 796.3606108522.

Adding to 505044113 its reverse (311440505), we get a palindrome (816484618).

The spelling of 505044113 in words is "five hundred five million, forty-four thousand, one hundred thirteen".

Divisors: 1 7 151 1057 477809 3344663 72149159 505044113