Search a number
-
+
3021977 = 7261673
BaseRepresentation
bin1011100001110010011001
312200112101002
423201302121
51233200402
6144434345
734454300
oct13416231
95615332
103021977
111784502
1210189b5
1381a66a
14589437
153ea602
hex2e1c99

3021977 has 6 divisors (see below), whose sum is σ = 3515418. Its totient is φ = 2590224.

The previous prime is 3021943. The next prime is 3021979. The reversal of 3021977 is 7791203.

It is a happy number.

3021977 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3013696 + 8281 = 1736^2 + 91^2 .

It is not a de Polignac number, because 3021977 - 26 = 3021913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3021979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30788 + ... + 30885.

It is an arithmetic number, because the mean of its divisors is an integer number (585903).

Almost surely, 23021977 is an apocalyptic number.

It is an amenable number.

3021977 is a deficient number, since it is larger than the sum of its proper divisors (493441).

3021977 is an equidigital number, since it uses as much as digits as its factorization.

3021977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61687 (or 61680 counting only the distinct ones).

The product of its (nonzero) digits is 2646, while the sum is 29.

The square root of 3021977 is about 1738.3834444679. The cubic root of 3021977 is about 144.5762818462.

The spelling of 3021977 in words is "three million, twenty-one thousand, nine hundred seventy-seven".

Divisors: 1 7 49 61673 431711 3021977