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20348 = 225087
BaseRepresentation
bin100111101111100
31000220122
410331330
51122343
6234112
7113216
oct47574
930818
1020348
1114319
12b938
139353
1475b6
156068
hex4f7c

20348 has 6 divisors (see below), whose sum is σ = 35616. Its totient is φ = 10172.

The previous prime is 20347. The next prime is 20353. The reversal of 20348 is 84302.

20348 is nontrivially palindromic in base 8.

It is a super-2 number, since 2×203482 = 828082208, which contains 22 as substring.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 20348.

It is not an unprimeable number, because it can be changed into a prime (20341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2540 + ... + 2547.

It is an arithmetic number, because the mean of its divisors is an integer number (5936).

220348 is an apocalyptic number.

It is an amenable number.

20348 is a deficient number, since it is larger than the sum of its proper divisors (15268).

20348 is a wasteful number, since it uses less digits than its factorization.

20348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5091 (or 5089 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 20348 is about 142.6464160083. The cubic root of 20348 is about 27.3007079834.

The spelling of 20348 in words is "twenty thousand, three hundred forty-eight".

Divisors: 1 2 4 5087 10174 20348