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26828412 = 22313213229
BaseRepresentation
bin110011001010…
…1111001111100
31212111000122220
41212111321330
523332002122
62355005340
7444015642
oct146257174
955430586
1026828412
1114164646
128b99850
135734500
1437c5192
15254e25c
hex1995e7c

26828412 has 36 divisors (see below), whose sum is σ = 67790520. Its totient is φ = 8254272.

The previous prime is 26828401. The next prime is 26828413. The reversal of 26828412 is 21482862.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26828413) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4587 + ... + 8642.

It is an arithmetic number, because the mean of its divisors is an integer number (1883070).

Almost surely, 226828412 is an apocalyptic number.

It is an amenable number.

26828412 is an abundant number, since it is smaller than the sum of its proper divisors (40962108).

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

26828412 is a wasteful number, since it uses less digits than its factorization.

26828412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13262 (or 13247 counting only the distinct ones).

The product of its digits is 12288, while the sum is 33.

The square root of 26828412 is about 5179.6150436109. The cubic root of 26828412 is about 299.3631378677.

It can be divided in two parts, 268 and 28412, that added together give a triangular number (28680 = T239).

The spelling of 26828412 in words is "twenty-six million, eight hundred twenty-eight thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 169 338 507 676 1014 2028 13229 26458 39687 52916 79374 158748 171977 343954 515931 687908 1031862 2063724 2235701 4471402 6707103 8942804 13414206 26828412