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8190026 = 2131959281
BaseRepresentation
bin11111001111100001001010
3120102002121022
4133033201022
54044040101
6451312442
7126420425
oct37174112
916362538
108190026
114694319
1228ab722
131909a90
1411329bc
15abba1b
hex7cf84a

8190026 has 32 divisors (see below), whose sum is σ = 14212800. Its totient is φ = 3507840.

The previous prime is 8190011. The next prime is 8190029. The reversal of 8190026 is 6200918.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 8189977 and 8190004.

It is not an unprimeable number, because it can be changed into a prime (8190029) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 29006 + ... + 29286.

It is an arithmetic number, because the mean of its divisors is an integer number (444150).

Almost surely, 28190026 is an apocalyptic number.

8190026 is a deficient number, since it is larger than the sum of its proper divisors (6022774).

8190026 is a wasteful number, since it uses less digits than its factorization.

8190026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 8190026 is about 2861.8221468149. The cubic root of 8190026 is about 201.5711747283.

The spelling of 8190026 in words is "eight million, one hundred ninety thousand, twenty-six".

Divisors: 1 2 13 19 26 38 59 118 247 281 494 562 767 1121 1534 2242 3653 5339 7306 10678 14573 16579 29146 33158 69407 138814 215527 315001 431054 630002 4095013 8190026