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13450136 = 237461521
BaseRepresentation
bin110011010011…
…101110011000
3221022100010012
4303103232120
511420401021
61200141052
7222216140
oct63235630
927270105
1013450136
117657317
124607788
132a2c07b
141b01920
1512aa35b
hexcd3b98

13450136 has 32 divisors (see below), whose sum is σ = 28939680. Its totient is φ = 5740800.

The previous prime is 13450133. The next prime is 13450159. The reversal of 13450136 is 63105431.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13450133) 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 7 ways as a sum of consecutive naturals, for example, 25556 + ... + 26076.

It is an arithmetic number, because the mean of its divisors is an integer number (904365).

Almost surely, 213450136 is an apocalyptic number.

It is an amenable number.

13450136 is an abundant number, since it is smaller than the sum of its proper divisors (15489544).

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

13450136 is a wasteful number, since it uses less digits than its factorization.

13450136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995 (or 991 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 13450136 is about 3667.4427057556. The cubic root of 13450136 is about 237.8166325289.

Adding to 13450136 its reverse (63105431), we get a palindrome (76555567).

The spelling of 13450136 in words is "thirteen million, four hundred fifty thousand, one hundred thirty-six".

Divisors: 1 2 4 7 8 14 28 56 461 521 922 1042 1844 2084 3227 3647 3688 4168 6454 7294 12908 14588 25816 29176 240181 480362 960724 1681267 1921448 3362534 6725068 13450136