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12260026 = 217360589
BaseRepresentation
bin101110110001…
…001010111010
3212001212121001
4232301022322
511114310101
61114435214
7206131342
oct56611272
925055531
1012260026
116a14159
124132b0a
13270346c
1418b1d22
151122901
hexbb12ba

12260026 has 8 divisors (see below), whose sum is σ = 19471860. Its totient is φ = 5769408.

The previous prime is 12259981. The next prime is 12260033. The reversal of 12260026 is 62006221.

It can be written as a sum of positive squares in 2 ways, for example, as 12257001 + 3025 = 3501^2 + 55^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12259985 and 12260012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180261 + ... + 180328.

Almost surely, 212260026 is an apocalyptic number.

12260026 is the 2215-th centered pentagonal number.

12260026 is a deficient number, since it is larger than the sum of its proper divisors (7211834).

12260026 is a wasteful number, since it uses less digits than its factorization.

12260026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360608.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 12260026 is about 3501.4319927710. The cubic root of 12260026 is about 230.5846875679.

Adding to 12260026 its reverse (62006221), we get a palindrome (74266247).

The spelling of 12260026 in words is "twelve million, two hundred sixty thousand, twenty-six".

Divisors: 1 2 17 34 360589 721178 6130013 12260026