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13800798 = 23211471483
BaseRepresentation
bin110100101001…
…010101011110
3221222011010200
4310221111132
512013111143
61211444330
7225206364
oct64512536
927864120
1013800798
117876820
1247566a6
132b2286b
141b93634
1513291d3
hexd2955e

13800798 has 48 divisors (see below), whose sum is σ = 33336576. Its totient is φ = 4090320.

The previous prime is 13800793. The next prime is 13800799. The reversal of 13800798 is 89700831.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13800791) 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 23 ways as a sum of consecutive naturals, for example, 8565 + ... + 10047.

It is an arithmetic number, because the mean of its divisors is an integer number (694512).

Almost surely, 213800798 is an apocalyptic number.

13800798 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13800798, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16668288).

13800798 is an abundant number, since it is smaller than the sum of its proper divisors (19535778).

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

13800798 is a wasteful number, since it uses less digits than its factorization.

13800798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1549 (or 1546 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 13800798 is about 3714.9425298381. The cubic root of 13800798 is about 239.8656539771.

The spelling of 13800798 in words is "thirteen million, eight hundred thousand, seven hundred ninety-eight".

Divisors: 1 2 3 6 9 11 18 22 33 47 66 94 99 141 198 282 423 517 846 1034 1483 1551 2966 3102 4449 4653 8898 9306 13347 16313 26694 32626 48939 69701 97878 139402 146817 209103 293634 418206 627309 766711 1254618 1533422 2300133 4600266 6900399 13800798