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512225 = 5272927
BaseRepresentation
bin1111101000011100001
3222000122022
41331003201
5112342400
614551225
74232240
oct1750341
9860568
10512225
1131a92a
12208515
1314c1bc
14d4957
15a1b85
hex7d0e1

512225 has 12 divisors (see below), whose sum is σ = 726144. Its totient is φ = 351120.

The previous prime is 512207. The next prime is 512249. The reversal of 512225 is 522215.

It is not a de Polignac number, because 512225 - 210 = 511201 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1289 + ... + 1638.

It is an arithmetic number, because the mean of its divisors is an integer number (60512).

2512225 is an apocalyptic number.

It is an amenable number.

512225 is a deficient number, since it is larger than the sum of its proper divisors (213919).

512225 is a wasteful number, since it uses less digits than its factorization.

512225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2944 (or 2939 counting only the distinct ones).

The product of its digits is 200, while the sum is 17.

The square root of 512225 is about 715.6989590603. The cubic root of 512225 is about 80.0117170338.

It can be divided in two parts, 512 and 225, that added together give a palindrome (737).

The spelling of 512225 in words is "five hundred twelve thousand, two hundred twenty-five".

Divisors: 1 5 7 25 35 175 2927 14635 20489 73175 102445 512225