Search a number
-
+
253555441 = 2298631283
BaseRepresentation
bin11110001110011…
…11001011110001
3122200002221200021
433013033023301
51004402233231
641054323441
76166120456
oct1707171361
9580087607
10253555441
11120141a57
1270ab9581
13406b8b09
142596382d
15173d7811
hexf1cf2f1

253555441 has 8 divisors (see below), whose sum is σ = 255156480. Its totient is φ = 251959152.

The previous prime is 253555411. The next prime is 253555447. The reversal of 253555441 is 144555352.

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 253555441 - 215 = 253522673 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 253555397 and 253555406.

It is not an unprimeable number, because it can be changed into a prime (253555447) 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 7 ways as a sum of consecutive naturals, for example, 196986 + ... + 198268.

It is an arithmetic number, because the mean of its divisors is an integer number (31894560).

Almost surely, 2253555441 is an apocalyptic number.

It is an amenable number.

253555441 is a deficient number, since it is larger than the sum of its proper divisors (1601039).

253555441 is a wasteful number, since it uses less digits than its factorization.

253555441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2375.

The product of its digits is 60000, while the sum is 34.

The square root of 253555441 is about 15923.4242862520. The cubic root of 253555441 is about 632.9328618459.

The spelling of 253555441 in words is "two hundred fifty-three million, five hundred fifty-five thousand, four hundred forty-one".

Divisors: 1 229 863 1283 197627 293807 1107229 253555441