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13425750 = 235531317
BaseRepresentation
bin110011001101…
…110001010110
3221021002200000
4303031301112
511414111000
61155432130
7222055062
oct63156126
927232600
1013425750
11763aa68
1245b5646
132a20c40
141ad6aa2
1512a3000
hexccdc56

13425750 has 192 divisors, whose sum is σ = 42928704. Its totient is φ = 3110400.

The previous prime is 13425749. The next prime is 13425751. The reversal of 13425750 is 5752431.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13425749) and next prime (13425751).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13425751) 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 95 ways as a sum of consecutive naturals, for example, 789742 + ... + 789758.

It is an arithmetic number, because the mean of its divisors is an integer number (223587).

Almost surely, 213425750 is an apocalyptic number.

13425750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13425750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21464352).

13425750 is an abundant number, since it is smaller than the sum of its proper divisors (29502954).

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

13425750 is a wasteful number, since it uses less digits than its factorization.

13425750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62 (or 40 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 13425750 is about 3664.1165374480. The cubic root of 13425750 is about 237.6728197368.

The spelling of 13425750 in words is "thirteen million, four hundred twenty-five thousand, seven hundred fifty".