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105552113 = 127887937
BaseRepresentation
bin1100100101010…
…01100011110001
321100121121021112
412102221203301
5204010131423
614250203105
72421115052
oct622514361
9240547245
10105552113
1154643957
122b423495
1318b38994
1410038729
1593eea78
hex64a98f1

105552113 has 8 divisors (see below), whose sum is σ = 106616832. Its totient is φ = 104491296.

The previous prime is 105552101. The next prime is 105552151. The reversal of 105552113 is 311255501.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 105552113 - 218 = 105289969 is a prime.

It is a super-2 number, since 2×1055521132 = 22282497117529538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105555113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112181 + ... + 113117.

It is an arithmetic number, because the mean of its divisors is an integer number (13327104).

Almost surely, 2105552113 is an apocalyptic number.

It is an amenable number.

105552113 is a deficient number, since it is larger than the sum of its proper divisors (1064719).

105552113 is an equidigital number, since it uses as much as digits as its factorization.

105552113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1951.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 105552113 is about 10273.8558000392. The cubic root of 105552113 is about 472.5948418745.

The spelling of 105552113 in words is "one hundred five million, five hundred fifty-two thousand, one hundred thirteen".

Divisors: 1 127 887 937 112649 118999 831119 105552113