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105515241 = 3132705519
BaseRepresentation
bin1100100101000…
…00100011101001
321100112201200220
412102200203221
5204002441431
614245320253
72420602416
oct622404351
9240481626
10105515241
1154619187
122b406089
1318b24c70
141002910d
1593e3b96
hex64a08e9

105515241 has 8 divisors (see below), whose sum is σ = 151509120. Its totient is φ = 64932432.

The previous prime is 105515239. The next prime is 105515261. The reversal of 105515241 is 142515501.

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

It is not a de Polignac number, because 105515241 - 21 = 105515239 is a prime.

It is a super-2 number, since 2×1055152412 = 22266932166576162, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (105515261) 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, 1352721 + ... + 1352798.

It is an arithmetic number, because the mean of its divisors is an integer number (18938640).

Almost surely, 2105515241 is an apocalyptic number.

It is an amenable number.

105515241 is a deficient number, since it is larger than the sum of its proper divisors (45993879).

105515241 is a wasteful number, since it uses less digits than its factorization.

105515241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2705535.

The product of its (nonzero) digits is 1000, while the sum is 24.

The square root of 105515241 is about 10272.0611855654. The cubic root of 105515241 is about 472.5398057224.

The spelling of 105515241 in words is "one hundred five million, five hundred fifteen thousand, two hundred forty-one".

Divisors: 1 3 13 39 2705519 8116557 35171747 105515241