Search a number
-
+
679412 = 22295857
BaseRepresentation
bin10100101110111110100
31021111222102
42211313310
5133220122
622321232
75526536
oct2456764
91244872
10679412
114244a8
12289218
131aa326
14139856
15d6492
hexa5df4

679412 has 12 divisors (see below), whose sum is σ = 1230180. Its totient is φ = 327936.

The previous prime is 679409. The next prime is 679417. The reversal of 679412 is 214976.

It can be written as a sum of positive squares in 2 ways, for example, as 524176 + 155236 = 724^2 + 394^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679417) 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, 2813 + ... + 3044.

It is an arithmetic number, because the mean of its divisors is an integer number (102515).

2679412 is an apocalyptic number.

It is an amenable number.

679412 is a deficient number, since it is larger than the sum of its proper divisors (550768).

679412 is a wasteful number, since it uses less digits than its factorization.

679412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5890 (or 5888 counting only the distinct ones).

The product of its digits is 3024, while the sum is 29.

The square root of 679412 is about 824.2645206486. The cubic root of 679412 is about 87.9112397040.

The spelling of 679412 in words is "six hundred seventy-nine thousand, four hundred twelve".

Divisors: 1 2 4 29 58 116 5857 11714 23428 169853 339706 679412