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234731426 = 2117365713
BaseRepresentation
bin11011111110110…
…11011110100010
3121100200120222112
431333123132202
5440042401201
635143035322
75550120116
oct1577333642
9540616875
10234731426
11110555216
126673bb42
1339827a47
1423263746
151591a0bb
hexdfdb7a2

234731426 has 4 divisors (see below), whose sum is σ = 352097142. Its totient is φ = 117365712.

The previous prime is 234731401. The next prime is 234731429. The reversal of 234731426 is 624137432.

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

It can be written as a sum of positive squares in only one way, i.e., 121330225 + 113401201 = 11015^2 + 10649^2 .

It is a junction number, because it is equal to n+sod(n) for n = 234731392 and 234731401.

It is not an unprimeable number, because it can be changed into a prime (234731429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58682855 + ... + 58682858.

Almost surely, 2234731426 is an apocalyptic number.

234731426 is a deficient number, since it is larger than the sum of its proper divisors (117365716).

234731426 is a wasteful number, since it uses less digits than its factorization.

234731426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117365715.

The product of its digits is 24192, while the sum is 32.

The square root of 234731426 is about 15320.9472944724. The cubic root of 234731426 is about 616.8654014767.

Adding to 234731426 its reverse (624137432), we get a palindrome (858868858).

The spelling of 234731426 in words is "two hundred thirty-four million, seven hundred thirty-one thousand, four hundred twenty-six".

Divisors: 1 2 117365713 234731426