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113742551 = 1337236471
BaseRepresentation
bin1101100011110…
…01001011010111
321221000201110002
412301321023113
5213104230201
615141521515
72550536636
oct661711327
9257021402
10113742551
115922850a
123211329b
131a7459b0
141116b51d
159ebb76b
hex6c792d7

113742551 has 8 divisors (see below), whose sum is σ = 125803104. Its totient is φ = 102155040.

The previous prime is 113742547. The next prime is 113742589. The reversal of 113742551 is 155247311.

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

It is not a de Polignac number, because 113742551 - 22 = 113742547 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113742451) 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, 117755 + ... + 118716.

It is an arithmetic number, because the mean of its divisors is an integer number (15725388).

Almost surely, 2113742551 is an apocalyptic number.

113742551 is a deficient number, since it is larger than the sum of its proper divisors (12060553).

113742551 is a wasteful number, since it uses less digits than its factorization.

113742551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236521.

The product of its digits is 4200, while the sum is 29.

The square root of 113742551 is about 10665.0152836271. The cubic root of 113742551 is about 484.5154774292.

Adding to 113742551 its reverse (155247311), we get a palindrome (268989862).

The spelling of 113742551 in words is "one hundred thirteen million, seven hundred forty-two thousand, five hundred fifty-one".

Divisors: 1 13 37 481 236471 3074123 8749427 113742551