Search a number
-
+
242553441 = 3136219319
BaseRepresentation
bin11100111010100…
…01001001100001
3121220101222202210
432131101021201
5444043202231
640022432333
76003445614
oct1635211141
9556358683
10242553441
11114a07a99
12692926a9
133b336160
14242dc17b
1516462a46
hexe751261

242553441 has 8 divisors (see below), whose sum is σ = 348281920. Its totient is φ = 149263632.

The previous prime is 242553379. The next prime is 242553457. The reversal of 242553441 is 144355242.

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

It is not a de Polignac number, because 242553441 - 27 = 242553313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 242553399 and 242553408.

It is not an unprimeable number, because it can be changed into a prime (242553481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3109621 + ... + 3109698.

It is an arithmetic number, because the mean of its divisors is an integer number (43535240).

Almost surely, 2242553441 is an apocalyptic number.

It is an amenable number.

242553441 is a deficient number, since it is larger than the sum of its proper divisors (105728479).

242553441 is a wasteful number, since it uses less digits than its factorization.

242553441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6219335.

The product of its digits is 19200, while the sum is 30.

The square root of 242553441 is about 15574.1272949723. The cubic root of 242553441 is about 623.6426573140.

The spelling of 242553441 in words is "two hundred forty-two million, five hundred fifty-three thousand, four hundred forty-one".

Divisors: 1 3 13 39 6219319 18657957 80851147 242553441