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26480260 = 2254143751
BaseRepresentation
bin110010100000…
…0111010000100
31211211100002101
41211000322010
523234332020
62343321444
7441035632
oct145007204
954740071
1026480260
1113a47014
128a50284
135641bc1
143734352
1524d100a
hex1940e84

26480260 has 48 divisors (see below), whose sum is σ = 58367232. Its totient is φ = 10080000.

The previous prime is 26480257. The next prime is 26480273. The reversal of 26480260 is 6208462.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34885 + ... + 35635.

It is an arithmetic number, because the mean of its divisors is an integer number (1215984).

Almost surely, 226480260 is an apocalyptic number.

26480260 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 26480260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29183616).

26480260 is an abundant number, since it is smaller than the sum of its proper divisors (31886972).

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

26480260 is a wasteful number, since it uses less digits than its factorization.

26480260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844 (or 842 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 26480260 is about 5145.8973950128. The cubic root of 26480260 is about 298.0625516185.

The spelling of 26480260 in words is "twenty-six million, four hundred eighty thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 41 43 82 86 164 172 205 215 410 430 751 820 860 1502 1763 3004 3526 3755 7052 7510 8815 15020 17630 30791 32293 35260 61582 64586 123164 129172 153955 161465 307910 322930 615820 645860 1324013 2648026 5296052 6620065 13240130 26480260