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113241387 = 3719283813
BaseRepresentation
bin1101011111111…
…10110100101011
321220002020222110
412233332310223
5212442211022
615123053403
72543351550
oct657766453
9256066873
10113241387
1158a15a26
1231b11263
131a5cb84c
141107aa27
159e1d00c
hex6bfed2b

113241387 has 16 divisors (see below), whose sum is σ = 181640960. Its totient is φ = 61303392.

The previous prime is 113241361. The next prime is 113241391. The reversal of 113241387 is 783142311.

It is not a de Polignac number, because 113241387 - 212 = 113237291 is a prime.

It is a super-2 number, since 2×1132413872 = 25647223459367538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113241587) 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 in 15 ways as a sum of consecutive naturals, for example, 141508 + ... + 142305.

It is an arithmetic number, because the mean of its divisors is an integer number (11352560).

Almost surely, 2113241387 is an apocalyptic number.

113241387 is a deficient number, since it is larger than the sum of its proper divisors (68399573).

113241387 is a wasteful number, since it uses less digits than its factorization.

113241387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283842.

The product of its digits is 4032, while the sum is 30.

The square root of 113241387 is about 10641.4936451609. The cubic root of 113241387 is about 483.8028176477.

Adding to 113241387 its reverse (783142311), we get a palindrome (896383698).

The spelling of 113241387 in words is "one hundred thirteen million, two hundred forty-one thousand, three hundred eighty-seven".

Divisors: 1 3 7 19 21 57 133 399 283813 851439 1986691 5392447 5960073 16177341 37747129 113241387