Search a number
-
+
551454 = 2391909
BaseRepresentation
bin10000110101000011110
31001000110020
42012220132
5120121304
615453010
74454511
oct2065036
91030406
10551454
11347352
12227166
13164007
14104d78
15ad5d9
hex86a1e

551454 has 8 divisors (see below), whose sum is σ = 1102920. Its totient is φ = 183816.

The previous prime is 551443. The next prime is 551461. The reversal of 551454 is 454155.

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

551454 is an admirable number.

It is a congruent number.

It is an unprimeable number.

551454 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45949 + ... + 45960.

It is an arithmetic number, because the mean of its divisors is an integer number (137865).

2551454 is an apocalyptic number.

551454 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

551454 is a wasteful number, since it uses less digits than its factorization.

551454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91914.

The product of its digits is 2000, while the sum is 24.

The square root of 551454 is about 742.5994882842. The cubic root of 551454 is about 82.0042631137.

The spelling of 551454 in words is "five hundred fifty-one thousand, four hundred fifty-four".

Divisors: 1 2 3 6 91909 183818 275727 551454