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505034125 = 5319720509
BaseRepresentation
bin11110000110100…
…011010110001101
31022012022101120121
4132012203112031
52013242043000
6122040344541
715341501461
oct3606432615
91265271517
10505034125
1123a095682
12121175151
138082857b
144b1064a1
152e50eb1a
hex1e1a358d

505034125 has 16 divisors (see below), whose sum is σ = 633512880. Its totient is φ = 401956800.

The previous prime is 505034111. The next prime is 505034137. The reversal of 505034125 is 521430505.

It can be written as a sum of positive squares in 8 ways, for example, as 92659876 + 412374249 = 9626^2 + 20307^2 .

It is not a de Polignac number, because 505034125 - 217 = 504903053 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 505034125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14371 + ... + 34879.

It is an arithmetic number, because the mean of its divisors is an integer number (39594555).

Almost surely, 2505034125 is an apocalyptic number.

It is an amenable number.

505034125 is a deficient number, since it is larger than the sum of its proper divisors (128478755).

505034125 is a wasteful number, since it uses less digits than its factorization.

505034125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20721 (or 20711 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 505034125 is about 22472.9643127025. The cubic root of 505034125 is about 796.3553610783.

The spelling of 505034125 in words is "five hundred five million, thirty-four thousand, one hundred twenty-five".

Divisors: 1 5 25 125 197 985 4925 20509 24625 102545 512725 2563625 4040273 20201365 101006825 505034125