Search a number
-
+
105515135 = 5112836779
BaseRepresentation
bin1100100101000…
…00100001111111
321100112201112222
412102200201333
5204002441020
614245315555
72420602205
oct622404177
9240481488
10105515135
11546190a0
122b405bbb
1318b24bbb
1410029075
1593e3b25
hex64a087f

105515135 has 16 divisors (see below), whose sum is σ = 138637440. Its totient is φ = 76455840.

The previous prime is 105515131. The next prime is 105515153. The reversal of 105515135 is 531515501.

It is not a de Polignac number, because 105515135 - 22 = 105515131 is a prime.

It is a super-2 number, since 2×1055151352 = 22266887428136450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105515131) 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 15 ways as a sum of consecutive naturals, for example, 12176 + ... + 18954.

It is an arithmetic number, because the mean of its divisors is an integer number (8664840).

Almost surely, 2105515135 is an apocalyptic number.

105515135 is a deficient number, since it is larger than the sum of its proper divisors (33122305).

105515135 is a wasteful number, since it uses less digits than its factorization.

105515135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7078.

The product of its (nonzero) digits is 1875, while the sum is 26.

The square root of 105515135 is about 10272.0560259376. The cubic root of 105515135 is about 472.5396474854.

The spelling of 105515135 in words is "one hundred five million, five hundred fifteen thousand, one hundred thirty-five".

Divisors: 1 5 11 55 283 1415 3113 6779 15565 33895 74569 372845 1918457 9592285 21103027 105515135