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3138075 = 33524649
BaseRepresentation
bin1011111110001000011011
312220102122000
423332020123
51300404300
6151132043
735446623
oct13761033
95812560
103138075
111853756
121074023
1385b465
145b9883
1541ec00
hex2fe21b

3138075 has 24 divisors (see below), whose sum is σ = 5766000. Its totient is φ = 1673280.

The previous prime is 3138073. The next prime is 3138103. The reversal of 3138075 is 5708313.

It is not a de Polignac number, because 3138075 - 21 = 3138073 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (3138071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1650 + ... + 2999.

It is an arithmetic number, because the mean of its divisors is an integer number (240250).

Almost surely, 23138075 is an apocalyptic number.

3138075 is a deficient number, since it is larger than the sum of its proper divisors (2627925).

3138075 is a wasteful number, since it uses less digits than its factorization.

3138075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4668 (or 4657 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 3138075 is about 1771.4612612191. The cubic root of 3138075 is about 146.4045046988.

The spelling of 3138075 in words is "three million, one hundred thirty-eight thousand, seventy-five".

Divisors: 1 3 5 9 15 25 27 45 75 135 225 675 4649 13947 23245 41841 69735 116225 125523 209205 348675 627615 1046025 3138075