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13733730 = 2325152597
BaseRepresentation
bin110100011000…
…111101100010
3221211202010200
4310120331202
512003434410
61210210030
7224510013
oct64307542
927752120
1013733730
11783039a
124723916
132acb18a
141b7700a
1513143c0
hexd18f62

13733730 has 24 divisors (see below), whose sum is σ = 35707932. Its totient is φ = 3662304.

The previous prime is 13733717. The next prime is 13733747. The reversal of 13733730 is 3733731.

13733730 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 13638249 + 95481 = 3693^2 + 309^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13733694 and 13733703.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76209 + ... + 76388.

Almost surely, 213733730 is an apocalyptic number.

13733730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13733730 is an abundant number, since it is smaller than the sum of its proper divisors (21974202).

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

13733730 is a wasteful number, since it uses less digits than its factorization.

13733730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152610 (or 152607 counting only the distinct ones).

The product of its (nonzero) digits is 3969, while the sum is 27.

The square root of 13733730 is about 3705.9047478315. The cubic root of 13733730 is about 239.4764629511.

Subtracting from 13733730 its reverse (3733731), we obtain a palindrome (9999999).

The spelling of 13733730 in words is "thirteen million, seven hundred thirty-three thousand, seven hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 152597 305194 457791 762985 915582 1373373 1525970 2288955 2746746 4577910 6866865 13733730