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113247288 = 23337112619
BaseRepresentation
bin1101100000000…
…00010000111000
321220002120002000
412300000100320
5212442403123
615123141000
72543405010
oct660002070
9256076060
10113247288
1158a1a400
1231b14760
131a60143b
141107cc40
159e1eb43
hex6c00438

113247288 has 192 divisors, whose sum is σ = 395808000. Its totient is φ = 29367360.

The previous prime is 113247283. The next prime is 113247311. The reversal of 113247288 is 882742311.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113247283) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 182643 + ... + 183261.

It is an arithmetic number, because the mean of its divisors is an integer number (2061500).

Almost surely, 2113247288 is an apocalyptic number.

113247288 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113247288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197904000).

113247288 is an abundant number, since it is smaller than the sum of its proper divisors (282560712).

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

113247288 is a wasteful number, since it uses less digits than its factorization.

113247288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663 (or 642 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 113247288 is about 10641.7709052582. The cubic root of 113247288 is about 483.8112211443.

Adding to 113247288 its reverse (882742311), we get a palindrome (995989599).

The spelling of 113247288 in words is "one hundred thirteen million, two hundred forty-seven thousand, two hundred eighty-eight".