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105319252 = 22145318121
BaseRepresentation
bin1100100011100…
…00101101010100
321100011202212001
412101300231110
5203430204002
614241205044
72416125133
oct621605524
9240152761
10105319252
11544a4a05
122b330784
1318a869ac
14ddb791a
1593a5a87
hex6470b54

105319252 has 12 divisors (see below), whose sum is σ = 184445716. Its totient is φ = 52620480.

The previous prime is 105319229. The next prime is 105319259. The reversal of 105319252 is 252913501.

It can be written as a sum of positive squares in 2 ways, for example, as 76632516 + 28686736 = 8754^2 + 5356^2 .

It is a super-2 number, since 2×1053192522 = 22184289683679008, which contains 22 as substring.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 105319252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105319259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3249 + ... + 14872.

Almost surely, 2105319252 is an apocalyptic number.

It is an amenable number.

105319252 is a deficient number, since it is larger than the sum of its proper divisors (79126464).

105319252 is a wasteful number, since it uses less digits than its factorization.

105319252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19578 (or 19576 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 105319252 is about 10262.5168452968. The cubic root of 105319252 is about 472.2470517930.

The spelling of 105319252 in words is "one hundred five million, three hundred nineteen thousand, two hundred fifty-two".

Divisors: 1 2 4 1453 2906 5812 18121 36242 72484 26329813 52659626 105319252