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26080390 = 2572397167
BaseRepresentation
bin110001101111…
…1010010000110
31211002000120101
41203133102012
523134033030
62330554314
7434452060
oct143372206
954060511
1026080390
11137a3646
12889899a
135531bab
14366c730
1524527ca
hex18df486

26080390 has 64 divisors (see below), whose sum is σ = 56899584. Its totient is φ = 8414208.

The previous prime is 26080361. The next prime is 26080409. The reversal of 26080390 is 9308062.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 156087 + ... + 156253.

It is an arithmetic number, because the mean of its divisors is an integer number (889056).

Almost surely, 226080390 is an apocalyptic number.

26080390 is an abundant number, since it is smaller than the sum of its proper divisors (30819194).

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

26080390 is a wasteful number, since it uses less digits than its factorization.

26080390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 26080390 is about 5106.8963177257. The cubic root of 26080390 is about 296.5546196963.

The spelling of 26080390 in words is "twenty-six million, eighty thousand, three hundred ninety".

Divisors: 1 2 5 7 10 14 23 35 46 70 97 115 161 167 194 230 322 334 485 679 805 835 970 1169 1358 1610 1670 2231 2338 3395 3841 4462 5845 6790 7682 11155 11690 15617 16199 19205 22310 26887 31234 32398 38410 53774 78085 80995 113393 134435 156170 161990 226786 268870 372577 566965 745154 1133930 1862885 2608039 3725770 5216078 13040195 26080390