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231422342 = 2115711171
BaseRepresentation
bin11011100101100…
…11100110000110
3121010110110202212
431302303212012
5433221003332
634544103422
75510025464
oct1562634606
9533413685
10231422342
111096a5038
1265604b72
1338c397c8
1422a41834
15154b48b2
hexdcb3986

231422342 has 4 divisors (see below), whose sum is σ = 347133516. Its totient is φ = 115711170.

The previous prime is 231422341. The next prime is 231422353. The reversal of 231422342 is 243224132.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231422341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57855584 + ... + 57855587.

It is an arithmetic number, because the mean of its divisors is an integer number (86783379).

Almost surely, 2231422342 is an apocalyptic number.

231422342 is a deficient number, since it is larger than the sum of its proper divisors (115711174).

231422342 is a wasteful number, since it uses less digits than its factorization.

231422342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115711173.

The product of its digits is 2304, while the sum is 23.

The square root of 231422342 is about 15212.5718404220. The cubic root of 231422342 is about 613.9529561087.

Adding to 231422342 its reverse (243224132), we get a palindrome (474646474).

The spelling of 231422342 in words is "two hundred thirty-one million, four hundred twenty-two thousand, three hundred forty-two".

Divisors: 1 2 115711171 231422342