Search a number
-
+
2981338 = 21490669
BaseRepresentation
bin1011010111110111011010
312121110121221
423113313122
51230400323
6143522254
734224643
oct13276732
95543557
102981338
111756a18
12bb938a
13805009
145786ca
153dd55d
hex2d7dda

2981338 has 4 divisors (see below), whose sum is σ = 4472010. Its totient is φ = 1490668.

The previous prime is 2981333. The next prime is 2981339. The reversal of 2981338 is 8331892.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1885129 + 1096209 = 1373^2 + 1047^2 .

It is not an unprimeable number, because it can be changed into a prime (2981333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 745333 + ... + 745336.

22981338 is an apocalyptic number.

2981338 is a deficient number, since it is larger than the sum of its proper divisors (1490672).

2981338 is a wasteful number, since it uses less digits than its factorization.

2981338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1490671.

The product of its digits is 10368, while the sum is 34.

The square root of 2981338 is about 1726.6551479667. The cubic root of 2981338 is about 143.9252763035.

The spelling of 2981338 in words is "two million, nine hundred eighty-one thousand, three hundred thirty-eight".

Divisors: 1 2 1490669 2981338