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26113880 = 2351323863
BaseRepresentation
bin110001110011…
…1011101011000
31211010201111202
41203213131120
523141121010
62331413332
7434651522
oct143473530
954121452
1026113880
1113816821
1288b4248
135544200
14367aa12
15245c6a5
hex18e7758

26113880 has 48 divisors (see below), whose sum is σ = 63640080. Its totient is φ = 9639552.

The previous prime is 26113877. The next prime is 26113883. The reversal of 26113880 is 8831162.

It is an interprime number because it is at equal distance from previous prime (26113877) and next prime (26113883).

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26113883) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4829 + ... + 8691.

It is an arithmetic number, because the mean of its divisors is an integer number (1325835).

Almost surely, 226113880 is an apocalyptic number.

26113880 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 26113880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31820040).

26113880 is an abundant number, since it is smaller than the sum of its proper divisors (37526200).

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

26113880 is a wasteful number, since it uses less digits than its factorization.

26113880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3900 (or 3883 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 26113880 is about 5110.1741653294. The cubic root of 26113880 is about 296.6815013132.

It can be divided in two parts, 261 and 13880, that added together give a palindrome (14141).

The spelling of 26113880 in words is "twenty-six million, one hundred thirteen thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 130 169 260 338 520 676 845 1352 1690 3380 3863 6760 7726 15452 19315 30904 38630 50219 77260 100438 154520 200876 251095 401752 502190 652847 1004380 1305694 2008760 2611388 3264235 5222776 6528470 13056940 26113880