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5451 = 32379
BaseRepresentation
bin1010101001011
321110220
41111023
5133301
641123
721615
oct12513
97426
105451
114106
1231a3
132634
141db5
151936
hex154b

5451 has 8 divisors (see below), whose sum is σ = 7680. Its totient is φ = 3432.

The previous prime is 5449. The next prime is 5471. The reversal of 5451 is 1545.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5451 - 21 = 5449 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5451.

It is not an unprimeable number, because it can be changed into a prime (5431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30 + ... + 108.

It is an arithmetic number, because the mean of its divisors is an integer number (960).

25451 is an apocalyptic number.

5451 is a deficient number, since it is larger than the sum of its proper divisors (2229).

5451 is a wasteful number, since it uses less digits than its factorization.

5451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105.

The product of its digits is 100, while the sum is 15.

The square root of 5451 is about 73.8308878451. The cubic root of 5451 is about 17.5991649053.

Adding to 5451 its reverse (1545), we get a palindrome (6996).

It can be divided in two parts, 54 and 51, that added together give a triangular number (105 = T14).

The spelling of 5451 in words is "five thousand, four hundred fifty-one".

Divisors: 1 3 23 69 79 237 1817 5451