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26230860 = 22325433389
BaseRepresentation
bin110010000010…
…0000001001100
31211100122222100
41210010001030
523203341420
62334115100
7435646545
oct144040114
954318870
1026230860
11138966a7
12894ba90
135585526
1436ab4cc
152482190
hex190404c

26230860 has 72 divisors (see below), whose sum is σ = 81441360. Its totient is φ = 6830208.

The previous prime is 26230859. The next prime is 26230889. The reversal of 26230860 is 6803262.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6046 + ... + 9434.

It is an arithmetic number, because the mean of its divisors is an integer number (1131130).

Almost surely, 226230860 is an apocalyptic number.

26230860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26230860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40720680).

26230860 is an abundant number, since it is smaller than the sum of its proper divisors (55210500).

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

26230860 is a wasteful number, since it uses less digits than its factorization.

26230860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3447 (or 3442 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 26230860 is about 5121.6071696295. The cubic root of 26230860 is about 297.1238472711.

The spelling of 26230860 in words is "twenty-six million, two hundred thirty thousand, eight hundred sixty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 43 45 60 86 90 129 172 180 215 258 387 430 516 645 774 860 1290 1548 1935 2580 3389 3870 6778 7740 10167 13556 16945 20334 30501 33890 40668 50835 61002 67780 101670 122004 145727 152505 203340 291454 305010 437181 582908 610020 728635 874362 1311543 1457270 1748724 2185905 2623086 2914540 4371810 5246172 6557715 8743620 13115430 26230860