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3690325 = 52147613
BaseRepresentation
bin1110000100111101010101
320221111011201
432010331111
51421042300
6211032501
743236652
oct16047525
96844151
103690325
1120a0661
12129b731
139c2932
146c0c29
154cd66a
hex384f55

3690325 has 6 divisors (see below), whose sum is σ = 4576034. Its totient is φ = 2952240.

The previous prime is 3690307. The next prime is 3690329. The reversal of 3690325 is 5230963.

It can be written as a sum of positive squares in 3 ways, for example, as 253009 + 3437316 = 503^2 + 1854^2 .

It is not a de Polignac number, because 3690325 - 211 = 3688277 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3690293 and 3690302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3690329) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 73782 + ... + 73831.

Almost surely, 23690325 is an apocalyptic number.

It is an amenable number.

3690325 is a deficient number, since it is larger than the sum of its proper divisors (885709).

3690325 is a wasteful number, since it uses less digits than its factorization.

3690325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147623 (or 147618 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 3690325 is about 1921.0218634883. The cubic root of 3690325 is about 154.5331076956.

The spelling of 3690325 in words is "three million, six hundred ninety thousand, three hundred twenty-five".

Divisors: 1 5 25 147613 738065 3690325