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105202340 = 2255260117
BaseRepresentation
bin1100100010101…
…00001010100100
321022221211110222
412101110022210
5203412433330
614234503512
72415130235
oct621241244
9238854428
10105202340
1154425091
122b294b98
1318a45709
14dd8708c
1593810e5
hex64542a4

105202340 has 12 divisors (see below), whose sum is σ = 220924956. Its totient is φ = 42080928.

The previous prime is 105202337. The next prime is 105202387. The reversal of 105202340 is 43202501.

It can be written as a sum of positive squares in 2 ways, for example, as 62378404 + 42823936 = 7898^2 + 6544^2 .

It is a super-2 number, since 2×1052023402 = 22135064682951200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2630039 + ... + 2630078.

It is an arithmetic number, because the mean of its divisors is an integer number (18410413).

Almost surely, 2105202340 is an apocalyptic number.

105202340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105202340 is an abundant number, since it is smaller than the sum of its proper divisors (115722616).

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

105202340 is a wasteful number, since it uses less digits than its factorization.

105202340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5260126 (or 5260124 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 105202340 is about 10256.8191950526. The cubic root of 105202340 is about 472.0722442802.

Adding to 105202340 its reverse (43202501), we get a palindrome (148404841).

The spelling of 105202340 in words is "one hundred five million, two hundred two thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 5260117 10520234 21040468 26300585 52601170 105202340