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234141431 = 1491571419
BaseRepresentation
bin11011111010010…
…11011011110111
3121022120121122212
431331023123313
5434420011211
635122244035
75542112036
oct1575133367
9538517585
10234141431
11110191a17
12664b661b
133967c334
142314c71d
151585038b
hexdf4b6f7

234141431 has 4 divisors (see below), whose sum is σ = 235713000. Its totient is φ = 232569864.

The previous prime is 234141421. The next prime is 234141433. The reversal of 234141431 is 134141432.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-234141431 is a prime.

It is a super-2 number, since 2×2341414312 = 109644419421455522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 234141397 and 234141406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234141433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 785561 + ... + 785858.

It is an arithmetic number, because the mean of its divisors is an integer number (58928250).

Almost surely, 2234141431 is an apocalyptic number.

234141431 is a deficient number, since it is larger than the sum of its proper divisors (1571569).

234141431 is a wasteful number, since it uses less digits than its factorization.

234141431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1571568.

The product of its digits is 1152, while the sum is 23.

The square root of 234141431 is about 15301.6806593263. The cubic root of 234141431 is about 616.3481395981.

Adding to 234141431 its reverse (134141432), we get a palindrome (368282863).

Subtracting from 234141431 its reverse (134141432), we obtain a palindrome (99999999).

The spelling of 234141431 in words is "two hundred thirty-four million, one hundred forty-one thousand, four hundred thirty-one".

Divisors: 1 149 1571419 234141431