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26420109 = 337238019
BaseRepresentation
bin110010011001…
…0001110001101
31211201021120120
41210302032031
523230420414
62342135153
7440365362
oct144621615
954637516
1026420109
1113a05901
128a214b9
135620701
14371a469
1524bd2a9
hex193238d

26420109 has 8 divisors (see below), whose sum is σ = 36179040. Its totient is φ = 17137296.

The previous prime is 26420101. The next prime is 26420111. The reversal of 26420109 is 90102462.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 26420109 - 23 = 26420101 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26420101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118899 + ... + 119120.

It is an arithmetic number, because the mean of its divisors is an integer number (4522380).

Almost surely, 226420109 is an apocalyptic number.

It is an amenable number.

26420109 is a deficient number, since it is larger than the sum of its proper divisors (9758931).

26420109 is a wasteful number, since it uses less digits than its factorization.

26420109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238059.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 26420109 is about 5140.0495133802. The cubic root of 26420109 is about 297.8366934006.

The spelling of 26420109 in words is "twenty-six million, four hundred twenty thousand, one hundred nine".

Divisors: 1 3 37 111 238019 714057 8806703 26420109