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105268900 = 225211831153
BaseRepresentation
bin1100100011001…
…00011010100100
321100002012210011
412101210122210
5203422101100
614240140004
72415525262
oct621443244
9240065704
10105268900
11544700a0
122b307604
1318a69ab9
14dda3432
159395bba
hex64646a4

105268900 has 72 divisors (see below), whose sum is σ = 252421344. Its totient is φ = 37785600.

The previous prime is 105268871. The next prime is 105268909. The reversal of 105268900 is 9862501.

105268900 = 20402 + 20412 + ... + 20642.

It is a super-2 number, since 2×1052689002 = 22163082614420000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105268909) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 90724 + ... + 91876.

It is an arithmetic number, because the mean of its divisors is an integer number (3505852).

Almost surely, 2105268900 is an apocalyptic number.

105268900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 105268900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126210672).

105268900 is an abundant number, since it is smaller than the sum of its proper divisors (147152444).

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

105268900 is a wasteful number, since it uses less digits than its factorization.

105268900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1261 (or 1254 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 105268900 is about 10260.0633526309. The cubic root of 105268900 is about 472.1717810534.

The spelling of 105268900 in words is "one hundred five million, two hundred sixty-eight thousand, nine hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 83 100 110 166 220 275 332 415 550 830 913 1100 1153 1660 1826 2075 2306 3652 4150 4565 4612 5765 8300 9130 11530 12683 18260 22825 23060 25366 28825 45650 50732 57650 63415 91300 95699 115300 126830 191398 253660 317075 382796 478495 634150 956990 1052689 1268300 1913980 2105378 2392475 4210756 4784950 5263445 9569900 10526890 21053780 26317225 52634450 105268900