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231422334 = 231113269723
BaseRepresentation
bin11011100101100…
…11100101111110
3121010110110202120
431302303211332
5433221003314
634544103410
75510025453
oct1562634576
9533413676
10231422334
111096a5030
1265604b66
1338c397c0
1422a4182a
15154b48a9
hexdcb397e

231422334 has 32 divisors (see below), whose sum is σ = 543763584. Its totient is φ = 64733280.

The previous prime is 231422333. The next prime is 231422341. The reversal of 231422334 is 433224132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231422333) 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, 134004 + ... + 135719.

It is an arithmetic number, because the mean of its divisors is an integer number (16992612).

Almost surely, 2231422334 is an apocalyptic number.

231422334 is an abundant number, since it is smaller than the sum of its proper divisors (312341250).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231422334 is a wasteful number, since it uses less digits than its factorization.

231422334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269752.

The product of its digits is 3456, while the sum is 24.

The square root of 231422334 is about 15212.5715774816. The cubic root of 231422334 is about 613.9529490342.

Adding to 231422334 its reverse (433224132), we get a palindrome (664646466).

The spelling of 231422334 in words is "two hundred thirty-one million, four hundred twenty-two thousand, three hundred thirty-four".

Divisors: 1 2 3 6 11 13 22 26 33 39 66 78 143 286 429 858 269723 539446 809169 1618338 2966953 3506399 5933906 7012798 8900859 10519197 17801718 21038394 38570389 77140778 115711167 231422334