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13423641 = 371158111
BaseRepresentation
bin110011001101…
…010000011001
3221020222202220
4303031100121
511414024031
61155414253
7222045660
oct63152031
927228686
1013423641
117639420
1245b4389
132a1ccaa
141ad5dd7
1512a2596
hexccd419

13423641 has 16 divisors (see below), whose sum is σ = 22315008. Its totient is φ = 6973200.

The previous prime is 13423583. The next prime is 13423643. The reversal of 13423641 is 14632431.

It is not a de Polignac number, because 13423641 - 213 = 13415449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13423643) 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 15 ways as a sum of consecutive naturals, for example, 28825 + ... + 29286.

It is an arithmetic number, because the mean of its divisors is an integer number (1394688).

Almost surely, 213423641 is an apocalyptic number.

13423641 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13423641 is a deficient number, since it is larger than the sum of its proper divisors (8891367).

13423641 is a wasteful number, since it uses less digits than its factorization.

13423641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58132.

The product of its digits is 1728, while the sum is 24.

The square root of 13423641 is about 3663.8287350803. The cubic root of 13423641 is about 237.6603740454.

The spelling of 13423641 in words is "thirteen million, four hundred twenty-three thousand, six hundred forty-one".

Divisors: 1 3 7 11 21 33 77 231 58111 174333 406777 639221 1220331 1917663 4474547 13423641