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3113540 = 225413797
BaseRepresentation
bin1011111000001001000100
312212011222022
423320021010
51244113130
6150422312
735315243
oct13701104
95764868
103113540
111837281
121061998
13850241
145b095a
154177e5
hex2f8244

3113540 has 24 divisors (see below), whose sum is σ = 6699672. Its totient is φ = 1214720.

The previous prime is 3113531. The next prime is 3113569. The reversal of 3113540 is 453113.

It can be written as a sum of positive squares in 4 ways, for example, as 264196 + 2849344 = 514^2 + 1688^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1079 + ... + 2718.

It is an arithmetic number, because the mean of its divisors is an integer number (279153).

Almost surely, 23113540 is an apocalyptic number.

It is an amenable number.

3113540 is an abundant number, since it is smaller than the sum of its proper divisors (3586132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3113540 is a wasteful number, since it uses less digits than its factorization.

3113540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3847 (or 3845 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 3113540 is about 1764.5225983251. The cubic root of 3113540 is about 146.0219520379.

Adding to 3113540 its reverse (453113), we get a palindrome (3566653).

The spelling of 3113540 in words is "three million, one hundred thirteen thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 41 82 164 205 410 820 3797 7594 15188 18985 37970 75940 155677 311354 622708 778385 1556770 3113540