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105442302 = 2372510531
BaseRepresentation
bin1100100100011…
…10101111111110
321100102000122110
412102032233332
5203443123202
614243554450
72420146650
oct622165776
9240360573
10105442302
11545793a9
122b38ba26
1318aca9c4
141000a6d0
1593cc26c
hex648ebfe

105442302 has 16 divisors (see below), whose sum is σ = 241011072. Its totient is φ = 30126360.

The previous prime is 105442301. The next prime is 105442307. The reversal of 105442302 is 203244501.

It is a super-2 number, since 2×1054423022 = 22236158102118408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105442301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1255224 + ... + 1255307.

It is an arithmetic number, because the mean of its divisors is an integer number (15063192).

Almost surely, 2105442302 is an apocalyptic number.

105442302 is an abundant number, since it is smaller than the sum of its proper divisors (135568770).

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

105442302 is a wasteful number, since it uses less digits than its factorization.

105442302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2510543.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 105442302 is about 10268.5102132685. The cubic root of 105442302 is about 472.4308972037.

Adding to 105442302 its reverse (203244501), we get a palindrome (308686803).

The spelling of 105442302 in words is "one hundred five million, four hundred forty-two thousand, three hundred two".

Divisors: 1 2 3 6 7 14 21 42 2510531 5021062 7531593 15063186 17573717 35147434 52721151 105442302