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26216080 = 24511313
BaseRepresentation
bin110010000000…
…0011010010000
31211022220200221
41210000122100
523202403310
62333522424
7435555502
oct144003220
954286627
1026216080
1113886590
128943414
13557b897
1436a5d72
15247cada
hex1900690

26216080 has 80 divisors (see below), whose sum is σ = 68709888. Its totient is φ = 9225600.

The previous prime is 26216053. The next prime is 26216101. The reversal of 26216080 is 8061262.

It is a tau number, because it is divible by the number of its divisors (80).

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 15 ways as a sum of consecutive naturals, for example, 845665 + ... + 845695.

Almost surely, 226216080 is an apocalyptic number.

26216080 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 26216080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34354944).

26216080 is an abundant number, since it is smaller than the sum of its proper divisors (42493808).

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

26216080 is an equidigital number, since it uses as much as digits as its factorization.

26216080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117 (or 49 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 26216080 is about 5120.1640598715. The cubic root of 26216080 is about 297.0680311379.

The spelling of 26216080 in words is "twenty-six million, two hundred sixteen thousand, eighty".

Divisors: 1 2 4 5 8 10 11 16 20 22 31 40 44 55 62 80 88 110 124 155 176 220 248 310 341 440 496 620 682 880 961 1240 1364 1705 1922 2480 2728 3410 3844 4805 5456 6820 7688 9610 10571 13640 15376 19220 21142 27280 29791 38440 42284 52855 59582 76880 84568 105710 119164 148955 169136 211420 238328 297910 327701 422840 476656 595820 655402 845680 1191640 1310804 1638505 2383280 2621608 3277010 5243216 6554020 13108040 26216080