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105141520 = 24511163733
BaseRepresentation
bin1100100010001…
…01010100010000
321022211202001101
412101011110100
5203404012040
614233314144
72414455021
oct621052420
9238752041
10105141520
1154393420
122b265954
1318a23b23
14dd6cc48
15936d09a
hex6445510

105141520 has 80 divisors (see below), whose sum is σ = 268679232. Its totient is φ = 37946880.

The previous prime is 105141503. The next prime is 105141521. The reversal of 105141520 is 25141501.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×1051415202 = 22109478455820800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105141521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143074 + ... + 143806.

Almost surely, 2105141520 is an apocalyptic number.

105141520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 105141520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134339616).

105141520 is an abundant number, since it is smaller than the sum of its proper divisors (163537712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105141520 is a wasteful number, since it uses less digits than its factorization.

105141520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920 (or 914 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 105141520 is about 10253.8539096283. The cubic root of 105141520 is about 471.9812546419.

Subtracting from 105141520 its sum of digits (19), we obtain a palindrome (105141501).

The spelling of 105141520 in words is "one hundred five million, one hundred forty-one thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 11 16 20 22 40 44 55 80 88 110 163 176 220 326 440 652 733 815 880 1304 1466 1630 1793 2608 2932 3260 3586 3665 5864 6520 7172 7330 8063 8965 11728 13040 14344 14660 16126 17930 28688 29320 32252 35860 40315 58640 64504 71720 80630 119479 129008 143440 161260 238958 322520 477916 597395 645040 955832 1194790 1314269 1911664 2389580 2628538 4779160 5257076 6571345 9558320 10514152 13142690 21028304 26285380 52570760 105141520