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704080 = 24513677
BaseRepresentation
bin10101011111001010000
31022202211001
42223321100
5140012310
623031344
75661466
oct2537120
91282731
10704080
11440a93
1229b554
131b8620
14144836
15dd93a
hexabe50

704080 has 40 divisors (see below), whose sum is σ = 1765512. Its totient is φ = 259584.

The previous prime is 704069. The next prime is 704087. The reversal of 704080 is 80407.

It is a happy number.

704080 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 150544 + 553536 = 388^2 + 744^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (704087) by changing a digit.

704080 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 7 ways as a sum of consecutive naturals, for example, 702 + ... + 1378.

2704080 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 704080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (882756).

704080 is an abundant number, since it is smaller than the sum of its proper divisors (1061432).

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

704080 is a wasteful number, since it uses less digits than its factorization.

704080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703 (or 697 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 704080 is about 839.0947503113. The cubic root of 704080 is about 88.9625731619.

Adding to 704080 its reverse (80407), we get a palindrome (784487).

The spelling of 704080 in words is "seven hundred four thousand, eighty".

Divisors: 1 2 4 5 8 10 13 16 20 26 40 52 65 80 104 130 208 260 520 677 1040 1354 2708 3385 5416 6770 8801 10832 13540 17602 27080 35204 44005 54160 70408 88010 140816 176020 352040 704080