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3012745 = 51813329
BaseRepresentation
bin1011011111100010001001
312200001201011
423133202021
51232401440
6144323521
734415341
oct13374211
95601634
103012745
11177857a
1210135a1
138163b8
14585d21
153e79ea
hex2df889

3012745 has 8 divisors (see below), whose sum is σ = 3636360. Its totient is φ = 2396160.

The previous prime is 3012727. The next prime is 3012769. The reversal of 3012745 is 5472103.

It can be written as a sum of positive squares in 4 ways, for example, as 16384 + 2996361 = 128^2 + 1731^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3012745 - 211 = 3010697 is a prime.

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

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, 760 + ... + 2569.

It is an arithmetic number, because the mean of its divisors is an integer number (454545).

Almost surely, 23012745 is an apocalyptic number.

It is an amenable number.

3012745 is a deficient number, since it is larger than the sum of its proper divisors (623615).

3012745 is a wasteful number, since it uses less digits than its factorization.

3012745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3515.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 3012745 is about 1735.7260728583. The cubic root of 3012745 is about 144.4289070511.

Adding to 3012745 its reverse (5472103), we get a palindrome (8484848).

The spelling of 3012745 in words is "three million, twelve thousand, seven hundred forty-five".

Divisors: 1 5 181 905 3329 16645 602549 3012745