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231013716 = 22343447701
BaseRepresentation
bin11011100010011…
…11110101010100
3121002200201020120
431301033311110
5433114414331
634531231540
75503404243
oct1561176524
9532621216
10231013716
1110944602a
12654485b0
1338b2580b
142297695a
1515433796
hexdc4fd54

231013716 has 24 divisors (see below), whose sum is σ = 551568864. Its totient is φ = 75213600.

The previous prime is 231013687. The next prime is 231013747. The reversal of 231013716 is 617310132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223335 + ... + 224366.

It is an arithmetic number, because the mean of its divisors is an integer number (22982036).

Almost surely, 2231013716 is an apocalyptic number.

It is an amenable number.

231013716 is an abundant number, since it is smaller than the sum of its proper divisors (320555148).

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

231013716 is a wasteful number, since it uses less digits than its factorization.

231013716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447751 (or 447749 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 231013716 is about 15199.1353701452. The cubic root of 231013716 is about 613.5913878137.

Adding to 231013716 its reverse (617310132), we get a palindrome (848323848).

The spelling of 231013716 in words is "two hundred thirty-one million, thirteen thousand, seven hundred sixteen".

Divisors: 1 2 3 4 6 12 43 86 129 172 258 516 447701 895402 1343103 1790804 2686206 5372412 19251143 38502286 57753429 77004572 115506858 231013716