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105146120 = 23515491697
BaseRepresentation
bin1100100010001…
…10011100001000
321022211222100202
412101012130020
5203404133440
614233351332
72414504312
oct621063410
9238758322
10105146120
1154396922
122b268548
1318a25c51
14dd707b2
15936e615
hex6446708

105146120 has 32 divisors (see below), whose sum is σ = 236871000. Its totient is φ = 42006528.

The previous prime is 105146081. The next prime is 105146123. The reversal of 105146120 is 21641501.

It can be written as a sum of positive squares in 4 ways, for example, as 98684356 + 6461764 = 9934^2 + 2542^2 .

It is a super-2 number, since 2×1051461202 = 22111413102108800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 105146092 and 105146101.

It is not an unprimeable number, because it can be changed into a prime (105146123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61112 + ... + 62808.

Almost surely, 2105146120 is an apocalyptic number.

105146120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105146120 is an abundant number, since it is smaller than the sum of its proper divisors (131724880).

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

105146120 is a wasteful number, since it uses less digits than its factorization.

105146120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3257 (or 3253 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 105146120 is about 10254.0782130819. The cubic root of 105146120 is about 471.9881376890.

Adding to 105146120 its reverse (21641501), we get a palindrome (126787621).

The spelling of 105146120 in words is "one hundred five million, one hundred forty-six thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 1549 1697 3098 3394 6196 6788 7745 8485 12392 13576 15490 16970 30980 33940 61960 67880 2628653 5257306 10514612 13143265 21029224 26286530 52573060 105146120