Search a number
-
+
431241121 = 47103229389
BaseRepresentation
bin11001101101000…
…011011110100001
31010001110022121101
4121231003132201
51340344203441
6110442554401
713454326513
oct3155033641
91101408541
10431241121
11201473923
12100508a01
136b45c47c
14413b7bb3
1527cd5231
hex19b437a1

431241121 has 16 divisors (see below), whose sum is σ = 447782400. Its totient is φ = 415073088.

The previous prime is 431241061. The next prime is 431241131. The reversal of 431241121 is 121142134.

It is a cyclic number.

It is not a de Polignac number, because 431241121 - 217 = 431110049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (431241131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1108395 + ... + 1108783.

It is an arithmetic number, because the mean of its divisors is an integer number (27986400).

Almost surely, 2431241121 is an apocalyptic number.

It is an amenable number.

431241121 is a deficient number, since it is larger than the sum of its proper divisors (16541279).

431241121 is a wasteful number, since it uses less digits than its factorization.

431241121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768.

The product of its digits is 192, while the sum is 19.

The square root of 431241121 is about 20766.3458749969. The cubic root of 431241121 is about 755.5097188080.

Adding to 431241121 its reverse (121142134), we get a palindrome (552383255).

The spelling of 431241121 in words is "four hundred thirty-one million, two hundred forty-one thousand, one hundred twenty-one".

Divisors: 1 47 103 229 389 4841 10763 18283 23587 40067 89081 1108589 1883149 4186807 9175343 431241121