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3008725 = 52120349
BaseRepresentation
bin1011011110100011010101
312122212012021
423132203111
51232234400
6144253141
734400536
oct13364325
95585167
103008725
111775555
1210111b1
13814615
1458468d
153e671a
hex2de8d5

3008725 has 6 divisors (see below), whose sum is σ = 3730850. Its totient is φ = 2406960.

The previous prime is 3008723. The next prime is 3008741. The reversal of 3008725 is 5278003.

It can be written as a sum of positive squares in 3 ways, for example, as 315844 + 2692881 = 562^2 + 1641^2 .

It is not a de Polignac number, because 3008725 - 21 = 3008723 is a prime.

It is a super-2 number, since 2×30087252 = 18104852251250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 120349 = 3008725 / (3 + 0 + 0 + 8 + 7 + 2 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 3008725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3008723) 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 5 ways as a sum of consecutive naturals, for example, 60150 + ... + 60199.

Almost surely, 23008725 is an apocalyptic number.

It is an amenable number.

3008725 is a deficient number, since it is larger than the sum of its proper divisors (722125).

3008725 is a wasteful number, since it uses less digits than its factorization.

3008725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120359 (or 120354 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 3008725 is about 1734.5676694785. The cubic root of 3008725 is about 144.3646397868.

It can be divided in two parts, 300 and 8725, that added together give a square (9025 = 952).

The spelling of 3008725 in words is "three million, eight thousand, seven hundred twenty-five".

Divisors: 1 5 25 120349 601745 3008725