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550487 = 7194139
BaseRepresentation
bin10000110011001010111
31000222010102
42012121113
5120103422
615444315
74451630
oct2063127
91028112
10550487
11346653
1222669b
13163742
14104887
15ad192
hex86657

550487 has 8 divisors (see below), whose sum is σ = 662400. Its totient is φ = 446904.

The previous prime is 550471. The next prime is 550489. The reversal of 550487 is 784055.

550487 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 550487 - 24 = 550471 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1937 + ... + 2202.

It is an arithmetic number, because the mean of its divisors is an integer number (82800).

2550487 is an apocalyptic number.

550487 is a deficient number, since it is larger than the sum of its proper divisors (111913).

550487 is a wasteful number, since it uses less digits than its factorization.

550487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4165.

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 550487 is about 741.9481113932. The cubic root of 550487 is about 81.9563023175.

It can be divided in two parts, 55048 and 7, that added together give a palindrome (55055).

The spelling of 550487 in words is "five hundred fifty thousand, four hundred eighty-seven".

Divisors: 1 7 19 133 4139 28973 78641 550487