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105269390 = 25233471319
BaseRepresentation
bin1100100011001…
…00100010001110
321100002020110022
412101210202032
5203422110030
614240142142
72415526562
oct621444216
9240066408
10105269390
11544704a6
122b307952
1318a6a0a5
14dda36a2
159395de5
hex646488e

105269390 has 32 divisors (see below), whose sum is σ = 198443520. Its totient is φ = 40130464.

The previous prime is 105269327. The next prime is 105269401. The reversal of 105269390 is 93962501.

It is a super-2 number, since 2×1052693902 = 22163288941944200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105269390.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79151 + ... + 80469.

It is an arithmetic number, because the mean of its divisors is an integer number (6201360).

Almost surely, 2105269390 is an apocalyptic number.

105269390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105269390 is a deficient number, since it is larger than the sum of its proper divisors (93174130).

105269390 is a wasteful number, since it uses less digits than its factorization.

105269390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1696.

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 105269390 is about 10260.0872315980. The cubic root of 105269390 is about 472.1725136655.

The spelling of 105269390 in words is "one hundred five million, two hundred sixty-nine thousand, three hundred ninety".

Divisors: 1 2 5 10 23 46 115 230 347 694 1319 1735 2638 3470 6595 7981 13190 15962 30337 39905 60674 79810 151685 303370 457693 915386 2288465 4576930 10526939 21053878 52634695 105269390