Search a number
-
+
628674 = 23104779
BaseRepresentation
bin10011001011111000010
31011221101020
42121133002
5130104144
621250310
75225604
oct2313702
91157336
10628674
1139a372
12263996
131901c7
14125174
15c6419
hex997c2

628674 has 8 divisors (see below), whose sum is σ = 1257360. Its totient is φ = 209556.

The previous prime is 628673. The next prime is 628679. The reversal of 628674 is 476826.

628674 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.

628674 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (628673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52384 + ... + 52395.

It is an arithmetic number, because the mean of its divisors is an integer number (157170).

2628674 is an apocalyptic number.

628674 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.

628674 is a wasteful number, since it uses less digits than its factorization.

628674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104784.

The product of its digits is 16128, while the sum is 33.

The square root of 628674 is about 792.8896518432. The cubic root of 628674 is about 85.6660021717. Note that the first 3 decimals are identical.

It can be divided in two parts, 6 and 28674, that added together give a triangular number (28680 = T239).

The spelling of 628674 in words is "six hundred twenty-eight thousand, six hundred seventy-four".

Divisors: 1 2 3 6 104779 209558 314337 628674