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26926728 = 2331121947
BaseRepresentation
bin110011010110…
…1111010001000
31212200000112020
41212231322020
523343123403
62401044440
7444605403
oct146557210
955600466
1026926728
11142214a4
129026720
13576a19a
14380cd3a
15256d453
hex19ade88

26926728 has 16 divisors (see below), whose sum is σ = 67316880. Its totient is φ = 8975568.

The previous prime is 26926727. The next prime is 26926733. The reversal of 26926728 is 82762962.

It is a self number, because there is not a number n which added to its sum of digits gives 26926728.

It is not an unprimeable number, because it can be changed into a prime (26926727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 560950 + ... + 560997.

It is an arithmetic number, because the mean of its divisors is an integer number (4207305).

Almost surely, 226926728 is an apocalyptic number.

It is an amenable number.

26926728 is an abundant number, since it is smaller than the sum of its proper divisors (40390152).

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

26926728 is a wasteful number, since it uses less digits than its factorization.

26926728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121956 (or 1121952 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 26926728 is about 5189.0970312763. The cubic root of 26926728 is about 299.7283763651.

The spelling of 26926728 in words is "twenty-six million, nine hundred twenty-six thousand, seven hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 24 1121947 2243894 3365841 4487788 6731682 8975576 13463364 26926728