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113231441 = 1717338501
BaseRepresentation
bin1101011111111…
…00011001010001
321220001202100002
412233330121101
5212441401231
615122535345
72543310551
oct657743121
9256052302
10113231441
1158a09504
1231b07555
131a5c716b
1411077161
159e1a0cb
hex6bfc651

113231441 has 8 divisors (see below), whose sum is σ = 120588264. Its totient is φ = 105952000.

The previous prime is 113231429. The next prime is 113231453. The reversal of 113231441 is 144132311.

It is an interprime number because it is at equal distance from previous prime (113231429) and next prime (113231453).

It can be written as a sum of positive squares in 4 ways, for example, as 71757841 + 41473600 = 8471^2 + 6440^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113231441 - 210 = 113230417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113231401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16310 + ... + 22191.

It is an arithmetic number, because the mean of its divisors is an integer number (15073533).

Almost surely, 2113231441 is an apocalyptic number.

It is an amenable number.

113231441 is a deficient number, since it is larger than the sum of its proper divisors (7356823).

113231441 is a wasteful number, since it uses less digits than its factorization.

113231441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38691.

The product of its digits is 288, while the sum is 20.

The square root of 113231441 is about 10641.0263132839. The cubic root of 113231441 is about 483.7886530864.

Adding to 113231441 its reverse (144132311), we get a palindrome (257363752).

The spelling of 113231441 in words is "one hundred thirteen million, two hundred thirty-one thousand, four hundred forty-one".

Divisors: 1 17 173 2941 38501 654517 6660673 113231441