Search a number
-
+
245351241 = 339087083
BaseRepresentation
bin11101001111111…
…00001101001001
3122002200010122000
432213330031021
51000302214431
640202421213
76036310512
oct1647741511
9562603560
10245351241
11116549023
126a201809
133baa5765
1424829a09
15168169e6
hexe9fc349

245351241 has 8 divisors (see below), whose sum is σ = 363483360. Its totient is φ = 163567476.

The previous prime is 245351219. The next prime is 245351243. The reversal of 245351241 is 142153542.

245351241 is a `hidden beast` number, since 2 + 4 + 535 + 124 + 1 = 666.

It is not a de Polignac number, because 245351241 - 25 = 245351209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 9087083 = 245351241 / (2 + 4 + 5 + 3 + 5 + 1 + 2 + 4 + 1).

It is not an unprimeable number, because it can be changed into a prime (245351243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4543515 + ... + 4543568.

It is an arithmetic number, because the mean of its divisors is an integer number (45435420).

Almost surely, 2245351241 is an apocalyptic number.

It is an amenable number.

245351241 is a deficient number, since it is larger than the sum of its proper divisors (118132119).

245351241 is an equidigital number, since it uses as much as digits as its factorization.

245351241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9087092 (or 9087086 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 245351241 is about 15663.6918062122. The cubic root of 245351241 is about 626.0313561377.

The spelling of 245351241 in words is "two hundred forty-five million, three hundred fifty-one thousand, two hundred forty-one".

Divisors: 1 3 9 27 9087083 27261249 81783747 245351241