Search a number
-
+
297123442 = 271115712289
BaseRepresentation
bin10001101101011…
…011111001110010
3202201002102201221
4101231123321302
51102030422232
645252215254
710235336050
oct2155337162
9681072657
10297123442
1114279a270
128360a52a
13497316b5
142b6651d0
151b141897
hex11b5be72

297123442 has 32 divisors (see below), whose sum is σ = 559244160. Its totient is φ = 115015680.

The previous prime is 297123439. The next prime is 297123451. The reversal of 297123442 is 244321792.

It is a junction number, because it is equal to n+sod(n) for n = 297123398 and 297123407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18034 + ... + 30322.

It is an arithmetic number, because the mean of its divisors is an integer number (17476380).

Almost surely, 2297123442 is an apocalyptic number.

297123442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

297123442 is a deficient number, since it is larger than the sum of its proper divisors (262120718).

297123442 is a wasteful number, since it uses less digits than its factorization.

297123442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12466.

The product of its digits is 24192, while the sum is 34.

The square root of 297123442 is about 17237.2689832235. The cubic root of 297123442 is about 667.2864495696.

The spelling of 297123442 in words is "two hundred ninety-seven million, one hundred twenty-three thousand, four hundred forty-two".

Divisors: 1 2 7 11 14 22 77 154 157 314 1099 1727 2198 3454 12089 12289 24178 24578 86023 135179 172046 270358 946253 1892506 1929373 3858746 13505611 21223103 27011222 42446206 148561721 297123442