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679480 = 23516987
BaseRepresentation
bin10100101111000111000
31021112001221
42211320320
5133220410
622321424
75526664
oct2457070
91245057
10679480
1142455a
12289274
131aa379
141398a4
15d64da
hexa5e38

679480 has 16 divisors (see below), whose sum is σ = 1528920. Its totient is φ = 271776.

The previous prime is 679463. The next prime is 679487. The reversal of 679480 is 84976.

679480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a house number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679487) by changing a digit.

679480 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, 8454 + ... + 8533.

2679480 is an apocalyptic number.

It is an amenable number.

679480 is an abundant number, since it is smaller than the sum of its proper divisors (849440).

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

679480 is a wasteful number, since it uses less digits than its factorization.

679480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16998 (or 16994 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 679480 is about 824.3057685107. The cubic root of 679480 is about 87.9141725170.

The spelling of 679480 in words is "six hundred seventy-nine thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 16987 33974 67948 84935 135896 169870 339740 679480