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113247141 = 3722923549
BaseRepresentation
bin1101100000000…
…00001110100101
321220002112212120
412300000032211
5212442402031
615123140153
72543404410
oct660001645
9256075776
10113247141
1158a1a287
1231b14659
131a601357
141107cb77
159e1ea96
hex6c003a5

113247141 has 16 divisors (see below), whose sum is σ = 173328000. Its totient is φ = 64427328.

The previous prime is 113247107. The next prime is 113247151. The reversal of 113247141 is 141742311.

It is not a de Polignac number, because 113247141 - 210 = 113246117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113247151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6966 + ... + 16583.

It is an arithmetic number, because the mean of its divisors is an integer number (10833000).

Almost surely, 2113247141 is an apocalyptic number.

It is an amenable number.

113247141 is a deficient number, since it is larger than the sum of its proper divisors (60080859).

113247141 is a wasteful number, since it uses less digits than its factorization.

113247141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23788.

The product of its digits is 672, while the sum is 24.

The square root of 113247141 is about 10641.7639985108. The cubic root of 113247141 is about 483.8110118081.

Adding to 113247141 its reverse (141742311), we get a palindrome (254989452).

The spelling of 113247141 in words is "one hundred thirteen million, two hundred forty-seven thousand, one hundred forty-one".

Divisors: 1 3 7 21 229 687 1603 4809 23549 70647 164843 494529 5392721 16178163 37749047 113247141