Search a number
-
+
1303225 = 52711677
BaseRepresentation
bin100111110001010111001
32110012200121
410332022321
5313200400
643533241
714035330
oct4761271
92405617
101303225
11810150
1252a221
13368251
1425cd17
151ab21a
hex13e2b9

1303225 has 24 divisors (see below), whose sum is σ = 2017728. Its totient is φ = 811200.

The previous prime is 1303223. The next prime is 1303241. The reversal of 1303225 is 5223031.

It is not a de Polignac number, because 1303225 - 21 = 1303223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1303199 and 1303208.

It is not an unprimeable number, because it can be changed into a prime (1303223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1587 + ... + 2263.

It is an arithmetic number, because the mean of its divisors is an integer number (84072).

21303225 is an apocalyptic number.

It is an amenable number.

1303225 is a deficient number, since it is larger than the sum of its proper divisors (714503).

1303225 is a wasteful number, since it uses less digits than its factorization.

1303225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705 (or 700 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 1303225 is about 1141.5888051308. The cubic root of 1303225 is about 109.2294635753.

Adding to 1303225 its reverse (5223031), we get a palindrome (6526256).

The spelling of 1303225 in words is "one million, three hundred three thousand, two hundred twenty-five".

Divisors: 1 5 7 11 25 35 55 77 175 275 385 677 1925 3385 4739 7447 16925 23695 37235 52129 118475 186175 260645 1303225