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431240230 = 2543124023
BaseRepresentation
bin11001101101000…
…011010000100110
31010001110021101101
4121231003100212
51340344141410
6110442550314
713454324101
oct3155032046
91101407341
10431240230
11201473193
1210050839a
136b45bc45
14413b7738
1527cd4d3a
hex19b43426

431240230 has 8 divisors (see below), whose sum is σ = 776232432. Its totient is φ = 172496088.

The previous prime is 431240219. The next prime is 431240231. The reversal of 431240230 is 32042134.

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

It is a junction number, because it is equal to n+sod(n) for n = 431240198 and 431240207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431240231) 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 3 ways as a sum of consecutive naturals, for example, 21562002 + ... + 21562021.

It is an arithmetic number, because the mean of its divisors is an integer number (97029054).

Almost surely, 2431240230 is an apocalyptic number.

431240230 is a deficient number, since it is larger than the sum of its proper divisors (344992202).

431240230 is a wasteful number, since it uses less digits than its factorization.

431240230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43124030.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 431240230 is about 20766.3244220059. The cubic root of 431240230 is about 755.5091984806.

Adding to 431240230 its reverse (32042134), we get a palindrome (463282364).

The spelling of 431240230 in words is "four hundred thirty-one million, two hundred forty thousand, two hundred thirty".

Divisors: 1 2 5 10 43124023 86248046 215620115 431240230