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13493250 = 233531999
BaseRepresentation
bin110011011110…
…010000000010
3221101112021000
4303132100002
511423241000
61201112430
7222455631
oct63362002
927345230
1013493250
117686751
124628716
132a45894
141b13518
1512b8000
hexcde402

13493250 has 64 divisors (see below), whose sum is σ = 37440000. Its totient is φ = 3596400.

The previous prime is 13493237. The next prime is 13493251. The reversal of 13493250 is 5239431.

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

It is not an unprimeable number, because it can be changed into a prime (13493251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5751 + ... + 7749.

It is an arithmetic number, because the mean of its divisors is an integer number (585000).

Almost surely, 213493250 is an apocalyptic number.

13493250 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 13493250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18720000).

13493250 is an abundant number, since it is smaller than the sum of its proper divisors (23946750).

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

13493250 is a wasteful number, since it uses less digits than its factorization.

13493250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2025 (or 2009 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 13493250 is about 3673.3159406727. The cubic root of 13493250 is about 238.0704661529.

The spelling of 13493250 in words is "thirteen million, four hundred ninety-three thousand, two hundred fifty".

Divisors: 1 2 3 5 6 9 10 15 18 25 27 30 45 50 54 75 90 125 135 150 225 250 270 375 450 675 750 1125 1350 1999 2250 3375 3998 5997 6750 9995 11994 17991 19990 29985 35982 49975 53973 59970 89955 99950 107946 149925 179910 249875 269865 299850 449775 499750 539730 749625 899550 1349325 1499250 2248875 2698650 4497750 6746625 13493250