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505031125 = 5323175663
BaseRepresentation
bin11110000110100…
…010100111010101
31022012022020110111
4132012202213111
52013241444000
6122040323021
715341456644
oct3606424725
91265266414
10505031125
1123a0933a5
12121173471
13808270b1
144b10535b
152e50dcba
hex1e1a29d5

505031125 has 16 divisors (see below), whose sum is σ = 657686016. Its totient is φ = 386456400.

The previous prime is 505031089. The next prime is 505031129. The reversal of 505031125 is 521130505.

It is not a de Polignac number, because 505031125 - 219 = 504506837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 505031096 and 505031105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505031129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84957 + ... + 90706.

It is an arithmetic number, because the mean of its divisors is an integer number (41105376).

Almost surely, 2505031125 is an apocalyptic number.

It is an amenable number.

505031125 is a deficient number, since it is larger than the sum of its proper divisors (152654891).

505031125 is a wasteful number, since it uses less digits than its factorization.

505031125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175701 (or 175691 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 505031125 is about 22472.8975657346. The cubic root of 505031125 is about 796.3537842404.

The spelling of 505031125 in words is "five hundred five million, thirty-one thousand, one hundred twenty-five".

Divisors: 1 5 23 25 115 125 575 2875 175663 878315 4040249 4391575 20201245 21957875 101006225 505031125