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403925 = 52107151
BaseRepresentation
bin1100010100111010101
3202112002012
41202213111
5100411200
612354005
73301424
oct1424725
9675065
10403925
11256525
12175905
13111b12
14a72bb
157ea35
hex629d5

403925 has 12 divisors (see below), whose sum is σ = 508896. Its totient is φ = 318000.

The previous prime is 403901. The next prime is 403933. The reversal of 403925 is 529304.

It is not a de Polignac number, because 403925 - 26 = 403861 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 403925.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 403925.

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, 2600 + ... + 2750.

It is an arithmetic number, because the mean of its divisors is an integer number (42408).

2403925 is an apocalyptic number.

It is an amenable number.

403925 is a deficient number, since it is larger than the sum of its proper divisors (104971).

403925 is a wasteful number, since it uses less digits than its factorization.

403925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268 (or 263 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 403925 is about 635.5509420967. The cubic root of 403925 is about 73.9208430413.

The spelling of 403925 in words is "four hundred three thousand, nine hundred twenty-five".

Divisors: 1 5 25 107 151 535 755 2675 3775 16157 80785 403925