Search a number
-
+
3045661 is a prime number
BaseRepresentation
bin1011100111100100011101
312201201212021
423213210131
51234430121
6145140141
734613323
oct13474435
95651767
103045661
1117a0283
12102a651
13828388
14593d13
15402641
hex2e791d

3045661 has 2 divisors, whose sum is σ = 3045662. Its totient is φ = 3045660.

The previous prime is 3045631. The next prime is 3045671. The reversal of 3045661 is 1665403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2785561 + 260100 = 1669^2 + 510^2 .

It is a cyclic number.

It is not a de Polignac number, because 3045661 - 219 = 2521373 is a prime.

3045661 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3045611) 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 as a sum of consecutive naturals, namely, 1522830 + 1522831.

It is an arithmetic number, because the mean of its divisors is an integer number (1522831).

Almost surely, 23045661 is an apocalyptic number.

It is an amenable number.

3045661 is a deficient number, since it is larger than the sum of its proper divisors (1).

3045661 is an equidigital number, since it uses as much as digits as its factorization.

3045661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 3045661 is about 1745.1822254424. The cubic root of 3045661 is about 144.9529930861.

The spelling of 3045661 in words is "three million, forty-five thousand, six hundred sixty-one".