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13398500 = 2253127211
BaseRepresentation
bin110011000111…
…000111100100
3221012201021202
4303013013210
511412223000
61155102032
7221612453
oct63070744
927181252
1013398500
117621545
1245a1918
132a1170b
141acab9a
151299dd5
hexcc71e4

13398500 has 48 divisors (see below), whose sum is σ = 29632512. Its totient is φ = 5292000.

The previous prime is 13398491. The next prime is 13398503. The reversal of 13398500 is 589331.

13398500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13398503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63395 + ... + 63605.

It is an arithmetic number, because the mean of its divisors is an integer number (617344).

Almost surely, 213398500 is an apocalyptic number.

13398500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13398500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14816256).

13398500 is an abundant number, since it is smaller than the sum of its proper divisors (16234012).

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

13398500 is a wasteful number, since it uses less digits than its factorization.

13398500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357 (or 345 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 13398500 is about 3660.3961534238. The cubic root of 13398500 is about 237.5119107600.

The spelling of 13398500 in words is "thirteen million, three hundred ninety-eight thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 125 127 211 250 254 422 500 508 635 844 1055 1270 2110 2540 3175 4220 5275 6350 10550 12700 15875 21100 26375 26797 31750 52750 53594 63500 105500 107188 133985 267970 535940 669925 1339850 2679700 3349625 6699250 13398500