Search a number
-
+
242514231 = 31723289101
BaseRepresentation
bin11100111010001…
…11100100110111
3121220022222222120
432131013210313
5444040423411
640021531023
76003223401
oct1635074467
9556288876
10242514231
11114990593
1269273a73
133b32135b
14242cbb71
1516456106
hexe747937

242514231 has 48 divisors (see below), whose sum is σ = 365510880. Its totient is φ = 142489600.

The previous prime is 242514149. The next prime is 242514241. The reversal of 242514231 is 132415242.

It is not a de Polignac number, because 242514231 - 213 = 242506039 is a prime.

It is a super-2 number, since 2×2425142312 = 117626304475042722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242514241) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 2401081 + ... + 2401181.

It is an arithmetic number, because the mean of its divisors is an integer number (7614810).

Almost surely, 2242514231 is an apocalyptic number.

242514231 is a deficient number, since it is larger than the sum of its proper divisors (122996649).

242514231 is a wasteful number, since it uses less digits than its factorization.

242514231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256 (or 233 counting only the distinct ones).

The product of its digits is 1920, while the sum is 24.

The square root of 242514231 is about 15572.8684255663. The cubic root of 242514231 is about 623.6090504983.

Adding to 242514231 its reverse (132415242), we get a palindrome (374929473).

It can be divided in two parts, 24251 and 4231, that added together give a palindrome (28482).

The spelling of 242514231 in words is "two hundred forty-two million, five hundred fourteen thousand, two hundred thirty-one".

Divisors: 1 3 17 23 51 69 89 101 267 303 391 529 1173 1513 1587 1717 2047 2323 4539 5151 6141 6969 8989 8993 26967 26979 34799 39491 47081 53429 104397 118473 141243 152813 160287 206747 458439 620241 800377 908293 2401131 2724879 3514699 4755181 10544097 14265543 80838077 242514231