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26113668 = 2237289499
BaseRepresentation
bin110001110011…
…1011010000100
31211010201012220
41203213122010
523141114133
62331412340
7434651100
oct143473204
954121186
1026113668
1113816649
1288b40b0
135544099
14367a900
15245c5b3
hex18e7684

26113668 has 72 divisors (see below), whose sum is σ = 71820000. Its totient is φ = 7362432.

The previous prime is 26113667. The next prime is 26113669. The reversal of 26113668 is 86631162.

It is an interprime number because it is at equal distance from previous prime (26113667) and next prime (26113669).

It is not an unprimeable number, because it can be changed into a prime (26113667) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52083 + ... + 52581.

It is an arithmetic number, because the mean of its divisors is an integer number (997500).

Almost surely, 226113668 is an apocalyptic number.

26113668 is a gapful number since it is divisible by the number (28) 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 26113668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35910000).

26113668 is an abundant number, since it is smaller than the sum of its proper divisors (45706332).

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

26113668 is a wasteful number, since it uses less digits than its factorization.

26113668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609 (or 600 counting only the distinct ones).

The product of its digits is 10368, while the sum is 33.

The square root of 26113668 is about 5110.1534223544. The cubic root of 26113668 is about 296.6806984624.

The spelling of 26113668 in words is "twenty-six million, one hundred thirteen thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 49 84 89 98 147 178 196 267 294 356 499 534 588 623 998 1068 1246 1497 1869 1996 2492 2994 3493 3738 4361 5988 6986 7476 8722 10479 13083 13972 17444 20958 24451 26166 41916 44411 48902 52332 73353 88822 97804 133233 146706 177644 266466 293412 310877 532932 621754 932631 1243508 1865262 2176139 3730524 4352278 6528417 8704556 13056834 26113668