Search a number
-
+
2980983 = 31377253
BaseRepresentation
bin1011010111110001110111
312121110010210
423113301313
51230342413
6143520503
734223625
oct13276167
95543123
102980983
111756725
12bb9133
13804ac5
14578515
153dd3c3
hex2d7c77

2980983 has 8 divisors (see below), whose sum is σ = 4004208. Its totient is φ = 1972544.

The previous prime is 2980981. The next prime is 2980993. The reversal of 2980983 is 3890892.

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

It is a cyclic number.

It is not a de Polignac number, because 2980983 - 21 = 2980981 is a prime.

2980983 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2980981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3216 + ... + 4037.

It is an arithmetic number, because the mean of its divisors is an integer number (500526).

22980983 is an apocalyptic number.

2980983 is a deficient number, since it is larger than the sum of its proper divisors (1023225).

2980983 is a wasteful number, since it uses less digits than its factorization.

2980983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7393.

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 2980983 is about 1726.5523449928. The cubic root of 2980983 is about 143.9195634881.

Subtracting 2980983 from its reverse (3890892), we obtain a palindrome (909909).

It can be divided in two parts, 29809 and 83, that added together give a palindrome (29892).

The spelling of 2980983 in words is "two million, nine hundred eighty thousand, nine hundred eighty-three".

Divisors: 1 3 137 411 7253 21759 993661 2980983