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13090026 = 232181671
BaseRepresentation
bin110001111011…
…110011101010
3220122001010210
4301323303222
511322340101
61144321550
7216156225
oct61736352
926561123
1013090026
117430804
1244732b6
1329341a1
141a4a5bc
1512387d6
hexc7bcea

13090026 has 8 divisors (see below), whose sum is σ = 26180064. Its totient is φ = 4363340.

The previous prime is 13090019. The next prime is 13090027. The reversal of 13090026 is 62009031.

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

13090026 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 13089984 and 13090011.

It is not an unprimeable number, because it can be changed into a prime (13090027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1090830 + ... + 1090841.

It is an arithmetic number, because the mean of its divisors is an integer number (3272508).

Almost surely, 213090026 is an apocalyptic number.

13090026 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13090026 is a wasteful number, since it uses less digits than its factorization.

13090026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2181676.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 13090026 is about 3618.0140961583. The cubic root of 13090026 is about 235.6749931094.

Adding to 13090026 its reverse (62009031), we get a palindrome (75099057).

The spelling of 13090026 in words is "thirteen million, ninety thousand, twenty-six".

Divisors: 1 2 3 6 2181671 4363342 6545013 13090026