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26112100 = 225272732
BaseRepresentation
bin110001110011…
…1000001100100
31211010122001211
41203213001210
523141041400
62331401204
7434643400
oct143470144
954118054
1026112100
1113815453
1288b3204
135543461
14367a100
15245bdba
hex18e7064

26112100 has 81 divisors (see below), whose sum is σ = 66829707. Its totient is φ = 8830080.

The previous prime is 26112071. The next prime is 26112103. The reversal of 26112100 is 121162.

The square root of 26112100 is 5110.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 142884 + 25969216 = 378^2 + 5096^2 .

It is not an unprimeable number, because it can be changed into a prime (26112103) 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 26 ways as a sum of consecutive naturals, for example, 357664 + ... + 357736.

Almost surely, 226112100 is an apocalyptic number.

26112100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

26112100 is the 5110-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26112100

26112100 is an abundant number, since it is smaller than the sum of its proper divisors (40717607).

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

26112100 is a wasteful number, since it uses less digits than its factorization.

26112100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174 (or 87 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The cubic root of 26112100 is about 296.6747602612.

Adding to 26112100 its reverse (121162), we get a palindrome (26233262).

The spelling of 26112100 in words is "twenty-six million, one hundred twelve thousand, one hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 35 49 50 70 73 98 100 140 146 175 196 245 292 350 365 490 511 700 730 980 1022 1225 1460 1825 2044 2450 2555 3577 3650 4900 5110 5329 7154 7300 10220 10658 12775 14308 17885 21316 25550 26645 35770 37303 51100 53290 71540 74606 89425 106580 133225 149212 178850 186515 261121 266450 357700 373030 522242 532900 746060 932575 1044484 1305605 1865150 2611210 3730300 5222420 6528025 13056050 26112100