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403625 = 533229
BaseRepresentation
bin1100010100010101001
3202111200002
41202202221
5100404000
612352345
73300515
oct1424251
9674602
10403625
11256282
121756b5
13111941
14a7145
157e8d5
hex628a9

403625 has 8 divisors (see below), whose sum is σ = 503880. Its totient is φ = 322800.

The previous prime is 403621. The next prime is 403649. The reversal of 403625 is 526304.

It can be written as a sum of positive squares in 4 ways, for example, as 38809 + 364816 = 197^2 + 604^2 .

It is not a de Polignac number, because 403625 - 22 = 403621 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 403597 and 403606.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 403625.

It is not an unprimeable number, because it can be changed into a prime (403621) 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, 1490 + ... + 1739.

It is an arithmetic number, because the mean of its divisors is an integer number (62985).

2403625 is an apocalyptic number.

It is an amenable number.

403625 is a deficient number, since it is larger than the sum of its proper divisors (100255).

403625 is an equidigital number, since it uses as much as digits as its factorization.

403625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3244 (or 3234 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 403625 is about 635.3148825582. The cubic root of 403625 is about 73.9025378730.

Adding to 403625 its reverse (526304), we get a palindrome (929929).

The spelling of 403625 in words is "four hundred three thousand, six hundred twenty-five".

Divisors: 1 5 25 125 3229 16145 80725 403625