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26530196 = 2271186137
BaseRepresentation
bin110010100110…
…1000110010100
31211220212120212
41211031012110
523242431241
62344344552
7441334340
oct145150624
954825525
1026530196
1113a80590
128a75158
13565b854
143748620
1524e0beb
hex194d194

26530196 has 24 divisors (see below), whose sum is σ = 57884736. Its totient is φ = 10336320.

The previous prime is 26530177. The next prime is 26530199. The reversal of 26530196 is 69103562.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26530199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42761 + ... + 43376.

It is an arithmetic number, because the mean of its divisors is an integer number (2411864).

Almost surely, 226530196 is an apocalyptic number.

It is an amenable number.

26530196 is an abundant number, since it is smaller than the sum of its proper divisors (31354540).

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

26530196 is a wasteful number, since it uses less digits than its factorization.

26530196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86159 (or 86157 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 26530196 is about 5150.7471302715. The cubic root of 26530196 is about 298.2497943085.

The spelling of 26530196 in words is "twenty-six million, five hundred thirty thousand, one hundred ninety-six".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 308 86137 172274 344548 602959 947507 1205918 1895014 2411836 3790028 6632549 13265098 26530196