Search a number
-
+
3001690 = 251717657
BaseRepresentation
bin1011011100110101011010
312122111112201
423130311122
51232023230
6144200414
734341166
oct13346532
95574481
103001690
11177023a
12100910a
13811363
14581ca6
153e45ca
hex2dcd5a

3001690 has 16 divisors (see below), whose sum is σ = 5721192. Its totient is φ = 1129984.

The previous prime is 3001681. The next prime is 3001697. The reversal of 3001690 is 961003.

It can be written as a sum of positive squares in 4 ways, for example, as 2229049 + 772641 = 1493^2 + 879^2 .

It is a super-2 number, since 2×30016902 = 18020285712200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3001697) 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 7 ways as a sum of consecutive naturals, for example, 8659 + ... + 8998.

Almost surely, 23001690 is an apocalyptic number.

3001690 is a deficient number, since it is larger than the sum of its proper divisors (2719502).

3001690 is a wasteful number, since it uses less digits than its factorization.

3001690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17681.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 3001690 is about 1732.5385998586. The cubic root of 3001690 is about 144.2520341888.

Adding to 3001690 its reverse (961003), we get a palindrome (3962693).

The spelling of 3001690 in words is "three million, one thousand, six hundred ninety".

Divisors: 1 2 5 10 17 34 85 170 17657 35314 88285 176570 300169 600338 1500845 3001690