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26130644 = 2231210731
BaseRepresentation
bin110001110101…
…1100011010100
31211011120111122
41203223203110
523142140034
62332023112
7435051431
oct143534324
954146448
1026130644
1113828381
128901a98
13554ba27
143682b88
15246262e
hex18eb8d4

26130644 has 12 divisors (see below), whose sum is σ = 47203968. Its totient is φ = 12643800.

The previous prime is 26130623. The next prime is 26130647. The reversal of 26130644 is 44603162.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26130647) 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, 105242 + ... + 105489.

It is an arithmetic number, because the mean of its divisors is an integer number (3933664).

Almost surely, 226130644 is an apocalyptic number.

It is an amenable number.

26130644 is a deficient number, since it is larger than the sum of its proper divisors (21073324).

26130644 is a wasteful number, since it uses less digits than its factorization.

26130644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210766 (or 210764 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 26130644 is about 5111.8141593763. The cubic root of 26130644 is about 296.7449733671.

The spelling of 26130644 in words is "twenty-six million, one hundred thirty thousand, six hundred forty-four".

Divisors: 1 2 4 31 62 124 210731 421462 842924 6532661 13065322 26130644