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700240 = 2458753
BaseRepresentation
bin10101010111101010000
31022120112211
42222331100
5134401430
623001504
75644342
oct2527520
91276484
10700240
11439112
12299294
131b6958
14143292
15dc72a
hexaaf50

700240 has 20 divisors (see below), whose sum is σ = 1628244. Its totient is φ = 280064.

The previous prime is 700237. The next prime is 700241. The reversal of 700240 is 42007.

700240 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 2 ways, for example, as 446224 + 254016 = 668^2 + 504^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a zygodrome in base 4.

It is a self number, because there is not a number n which added to its sum of digits gives 700240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (700241) 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, 4297 + ... + 4456.

2700240 is an apocalyptic number.

It is an amenable number.

700240 is an abundant number, since it is smaller than the sum of its proper divisors (928004).

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

700240 is a wasteful number, since it uses less digits than its factorization.

700240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8766 (or 8760 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 13.

The square root of 700240 is about 836.8034416755. The cubic root of 700240 is about 88.8005464891.

Adding to 700240 its reverse (42007), we get a palindrome (742247).

The spelling of 700240 in words is "seven hundred thousand, two hundred forty", and thus it is an iban number.

Divisors: 1 2 4 5 8 10 16 20 40 80 8753 17506 35012 43765 70024 87530 140048 175060 350120 700240