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3681325 = 52147253
BaseRepresentation
bin1110000010110000101101
320221000211101
432002300231
51420300300
6210523101
743201504
oct16026055
96830741
103681325
11209491a
121296491
139bb7cb
146bb83b
154cab6a
hex382c2d

3681325 has 6 divisors (see below), whose sum is σ = 4564874. Its totient is φ = 2945040.

The previous prime is 3681319. The next prime is 3681341. The reversal of 3681325 is 5231863.

It can be written as a sum of positive squares in 3 ways, for example, as 2601 + 3678724 = 51^2 + 1918^2 .

It is not a de Polignac number, because 3681325 - 213 = 3673133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3681293 and 3681302.

It is a congruent number.

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, 73602 + ... + 73651.

Almost surely, 23681325 is an apocalyptic number.

It is an amenable number.

3681325 is a deficient number, since it is larger than the sum of its proper divisors (883549).

3681325 is a wasteful number, since it uses less digits than its factorization.

3681325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147263 (or 147258 counting only the distinct ones).

The product of its digits is 4320, while the sum is 28.

The square root of 3681325 is about 1918.6779302426. The cubic root of 3681325 is about 154.4073798230.

The spelling of 3681325 in words is "three million, six hundred eighty-one thousand, three hundred twenty-five".

Divisors: 1 5 25 147253 736265 3681325