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115501061 = 1322513947
BaseRepresentation
bin1101110001001…
…10100000000101
322001100001200002
412320212200011
5214032013221
615243331045
72601512534
oct670464005
9261301602
10115501061
115a219725
1232820a85
131ac10230
14114a831b
15a21780b
hex6e26805

115501061 has 8 divisors (see below), whose sum is σ = 124472544. Its totient is φ = 106542000.

The previous prime is 115501049. The next prime is 115501091. The reversal of 115501061 is 160105511.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-115501061 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 (115501031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27290 + ... + 31236.

It is an arithmetic number, because the mean of its divisors is an integer number (15559068).

Almost surely, 2115501061 is an apocalyptic number.

It is an amenable number.

115501061 is a deficient number, since it is larger than the sum of its proper divisors (8971483).

115501061 is a wasteful number, since it uses less digits than its factorization.

115501061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6211.

The product of its (nonzero) digits is 150, while the sum is 20.

The square root of 115501061 is about 10747.1419921763. The cubic root of 115501061 is about 486.9996598766. Note that the first 3 decimals are identical.

Adding to 115501061 its reverse (160105511), we get a palindrome (275606572).

The spelling of 115501061 in words is "one hundred fifteen million, five hundred one thousand, sixty-one".

Divisors: 1 13 2251 3947 29263 51311 8884697 115501061