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26807828 = 226701957
BaseRepresentation
bin110011001000…
…0111000010100
31212102222102112
41212100320110
523330322303
62354330152
7443601635
oct146207024
955388375
1026807828
1114150133
128b89958
135728028
1437bb88c
1525480d8
hex1990e14

26807828 has 6 divisors (see below), whose sum is σ = 46913706. Its totient is φ = 13403912.

The previous prime is 26807819. The next prime is 26807849. The reversal of 26807828 is 82870862.

It can be written as a sum of positive squares in only one way, i.e., 24581764 + 2226064 = 4958^2 + 1492^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3350975 + ... + 3350982.

It is an arithmetic number, because the mean of its divisors is an integer number (7818951).

Almost surely, 226807828 is an apocalyptic number.

It is an amenable number.

26807828 is a deficient number, since it is larger than the sum of its proper divisors (20105878).

26807828 is a wasteful number, since it uses less digits than its factorization.

26807828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6701961 (or 6701959 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 41.

The square root of 26807828 is about 5177.6276420770. The cubic root of 26807828 is about 299.2865565249.

The spelling of 26807828 in words is "twenty-six million, eight hundred seven thousand, eight hundred twenty-eight".

Divisors: 1 2 4 6701957 13403914 26807828