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5420 = 225271
BaseRepresentation
bin1010100101100
321102202
41110230
5133140
641032
721542
oct12454
97382
105420
114088
123178
13260c
141d92
151915
hex152c

5420 has 12 divisors (see below), whose sum is σ = 11424. Its totient is φ = 2160.

The previous prime is 5419. The next prime is 5431. The reversal of 5420 is 245.

It is a nialpdrome in base 10.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 5420.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116 + ... + 155.

It is an arithmetic number, because the mean of its divisors is an integer number (952).

25420 is an apocalyptic number.

It is an amenable number.

5420 is an abundant number, since it is smaller than the sum of its proper divisors (6004).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5712).

5420 is a wasteful number, since it uses less digits than its factorization.

5420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280 (or 278 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 11.

The square root of 5420 is about 73.6206492772. The cubic root of 5420 is about 17.5657391348.

Adding to 5420 its product of nonzero digits (40), we get a triangular number (5460 = T104).

Adding to 5420 its reverse (245), we get a palindrome (5665).

The spelling of 5420 in words is "five thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 271 542 1084 1355 2710 5420