Search a number
-
+
3530825 = 52141233
BaseRepresentation
bin1101011110000001001001
320122101101022
431132001021
51400441300
6203402225
742003644
oct15360111
96571338
103530825
111aa1841
121223375
1396815c
1467ca5b
1549b285
hex35e049

3530825 has 6 divisors (see below), whose sum is σ = 4378254. Its totient is φ = 2824640.

The previous prime is 3530819. The next prime is 3530851. The reversal of 3530825 is 5280353.

It can be written as a sum of positive squares in 3 ways, for example, as 11449 + 3519376 = 107^2 + 1876^2 .

It is not a de Polignac number, because 3530825 - 24 = 3530809 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3530794 and 3530803.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 70592 + ... + 70641.

It is an arithmetic number, because the mean of its divisors is an integer number (729709).

Almost surely, 23530825 is an apocalyptic number.

It is an amenable number.

3530825 is a deficient number, since it is larger than the sum of its proper divisors (847429).

3530825 is a wasteful number, since it uses less digits than its factorization.

3530825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141243 (or 141238 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 3530825 is about 1879.0489615760. The cubic root of 3530825 is about 152.2738743104.

The spelling of 3530825 in words is "three million, five hundred thirty thousand, eight hundred twenty-five".

Divisors: 1 5 25 141233 706165 3530825