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26828242 = 2779127191
BaseRepresentation
bin110011001010…
…1110111010010
31212111000102121
41212111313102
523332000432
62355004454
7444015310
oct146256722
955430377
1026828242
1114164501
128b9972a
1357343cc
1437c50b0
15254e197
hex1995dd2

26828242 has 32 divisors (see below), whose sum is σ = 47185920. Its totient is φ = 11203920.

The previous prime is 26828239. The next prime is 26828257. The reversal of 26828242 is 24282862.

It is a junction number, because it is equal to n+sod(n) for n = 26828198 and 26828207.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140367 + ... + 140557.

It is an arithmetic number, because the mean of its divisors is an integer number (1474560).

Almost surely, 226828242 is an apocalyptic number.

26828242 is a deficient number, since it is larger than the sum of its proper divisors (20357678).

26828242 is a wasteful number, since it uses less digits than its factorization.

26828242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406.

The product of its digits is 24576, while the sum is 34.

The square root of 26828242 is about 5179.5986330989. The cubic root of 26828242 is about 299.3625055549.

It can be divided in two parts, 268282 and 42, that added together give a square (268324 = 5182).

The spelling of 26828242 in words is "twenty-six million, eight hundred twenty-eight thousand, two hundred forty-two".

Divisors: 1 2 7 14 79 127 158 191 254 382 553 889 1106 1337 1778 2674 10033 15089 20066 24257 30178 48514 70231 105623 140462 169799 211246 339598 1916303 3832606 13414121 26828242