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26230780 = 2253735447
BaseRepresentation
bin110010000001…
…1111111111100
31211100122212101
41210003333330
523203341110
62334114444
7435646402
oct144037774
954318771
1026230780
1113896634
12894ba24
135585494
1436ab472
15248213a
hex1903ffc

26230780 has 24 divisors (see below), whose sum is σ = 56575008. Its totient is φ = 10208448.

The previous prime is 26230777. The next prime is 26230781. The reversal of 26230780 is 8703262.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26230781) 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, 16984 + ... + 18463.

It is an arithmetic number, because the mean of its divisors is an integer number (2357292).

Almost surely, 226230780 is an apocalyptic number.

26230780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26230780 is an abundant number, since it is smaller than the sum of its proper divisors (30344228).

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

26230780 is a wasteful number, since it uses less digits than its factorization.

26230780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35493 (or 35491 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 26230780 is about 5121.5993595751. The cubic root of 26230780 is about 297.1235452105.

The spelling of 26230780 in words is "twenty-six million, two hundred thirty thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 20 37 74 148 185 370 740 35447 70894 141788 177235 354470 708940 1311539 2623078 5246156 6557695 13115390 26230780