[go: up one dir, main page]

Search a number
-
+
231422043 = 3265729033
BaseRepresentation
bin11011100101100…
…11100001011011
3121010110110100210
431302303201123
5433221001133
634544102203
75510024556
oct1562634133
9533413323
10231422043
111096a4896
1265604963
1338c39628
1422a4169d
15154b4763
hexdcb385b

231422043 has 8 divisors (see below), whose sum is σ = 308689488. Its totient is φ = 154217984.

The previous prime is 231422039. The next prime is 231422063. The reversal of 231422043 is 340224132.

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 231422043 - 22 = 231422039 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231422063) 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, 6546 + ... + 22487.

It is an arithmetic number, because the mean of its divisors is an integer number (38586186).

Almost surely, 2231422043 is an apocalyptic number.

231422043 is a deficient number, since it is larger than the sum of its proper divisors (77267445).

231422043 is a wasteful number, since it uses less digits than its factorization.

231422043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31693.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 231422043 is about 15212.5620130207. The cubic root of 231422043 is about 613.9526916975.

Adding to 231422043 its reverse (340224132), we get a palindrome (571646175).

The spelling of 231422043 in words is "two hundred thirty-one million, four hundred twenty-two thousand, forty-three".

Divisors: 1 3 2657 7971 29033 87099 77140681 231422043