Search a number
-
+
551348 = 22722997
BaseRepresentation
bin10000110100110110100
31001000022022
42012212310
5120120343
615452312
74454300
oct2064664
91030268
10551348
11347266
12227098
13163c55
14104d00
15ad568
hex869b4

551348 has 36 divisors (see below), whose sum is σ = 1173060. Its totient is φ = 225792.

The previous prime is 551347. The next prime is 551363. The reversal of 551348 is 843155.

551348 = 222 + 232 + ... + 1182.

It can be written as a sum of positive squares in 2 ways, for example, as 268324 + 283024 = 518^2 + 532^2 .

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 551348.

It is not an unprimeable number, because it can be changed into a prime (551347) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5636 + ... + 5732.

It is an arithmetic number, because the mean of its divisors is an integer number (32585).

2551348 is an apocalyptic number.

551348 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 551348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (586530).

551348 is an abundant number, since it is smaller than the sum of its proper divisors (621712).

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

551348 is a wasteful number, since it uses less digits than its factorization.

551348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144 (or 135 counting only the distinct ones).

The product of its digits is 2400, while the sum is 26.

The square root of 551348 is about 742.5281139459. The cubic root of 551348 is about 81.9990085147. Note that the first 3 decimals are identical.

The spelling of 551348 in words is "five hundred fifty-one thousand, three hundred forty-eight".

Divisors: 1 2 4 7 14 28 29 49 58 97 98 116 194 196 203 388 406 679 812 1358 1421 2716 2813 2842 4753 5626 5684 9506 11252 19012 19691 39382 78764 137837 275674 551348