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501925 = 52171181
BaseRepresentation
bin1111010100010100101
3221111111211
41322202211
5112030200
614431421
74160224
oct1724245
9844454
10501925
11313116
12202571
131475c8
14d0cbb
159daba
hex7a8a5

501925 has 12 divisors (see below), whose sum is σ = 659556. Its totient is φ = 377600.

The previous prime is 501911. The next prime is 501931. The reversal of 501925 is 529105.

It can be written as a sum of positive squares in 6 ways, for example, as 31329 + 470596 = 177^2 + 686^2 .

It is not a de Polignac number, because 501925 - 213 = 493733 is a prime.

It is a Duffinian number.

501925 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 501896 and 501905.

It is a congruent 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, 166 + ... + 1015.

It is an arithmetic number, because the mean of its divisors is an integer number (54963).

2501925 is an apocalyptic number.

It is an amenable number.

501925 is a deficient number, since it is larger than the sum of its proper divisors (157631).

501925 is a wasteful number, since it uses less digits than its factorization.

501925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1208 (or 1203 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 501925 is about 708.4666541200. The cubic root of 501925 is about 79.4717803934.

The spelling of 501925 in words is "five hundred one thousand, nine hundred twenty-five".

Divisors: 1 5 17 25 85 425 1181 5905 20077 29525 100385 501925