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26808330 = 2354719013
BaseRepresentation
bin110011001000…
…1000000001010
31212110000010010
41212101000022
523330331310
62354332350
7443603253
oct146210012
955400103
1026808330
111415054a
128b8a0b6
135728323
1437bbb2a
152548320
hex199100a

26808330 has 32 divisors (see below), whose sum is σ = 65712384. Its totient is φ = 6996416.

The previous prime is 26808319. The next prime is 26808347. The reversal of 26808330 is 3380862.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 8097 + ... + 10916.

It is an arithmetic number, because the mean of its divisors is an integer number (2053512).

Almost surely, 226808330 is an apocalyptic number.

26808330 is an abundant number, since it is smaller than the sum of its proper divisors (38904054).

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

26808330 is a wasteful number, since it uses less digits than its factorization.

26808330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19070.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 26808330 is about 5177.6761196506. The cubic root of 26808330 is about 299.2884246473.

It can be divided in two parts, 26 and 808330, that added together give a triangular number (808356 = T1271).

The spelling of 26808330 in words is "twenty-six million, eight hundred eight thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 47 94 141 235 282 470 705 1410 19013 38026 57039 95065 114078 190130 285195 570390 893611 1787222 2680833 4468055 5361666 8936110 13404165 26808330