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3472240 = 24543403
BaseRepresentation
bin1101001111101101110000
320112102000111
431033231300
51342102430
6202231104
741341102
oct15175560
96472014
103472240
111a61822
1211b5494
139475a5
14665572
15488c2a
hex34fb70

3472240 has 20 divisors (see below), whose sum is σ = 8073144. Its totient is φ = 1388864.

The previous prime is 3472229. The next prime is 3472247. The reversal of 3472240 is 422743.

3472240 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3472247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21622 + ... + 21781.

Almost surely, 23472240 is an apocalyptic number.

It is an amenable number.

3472240 is an abundant number, since it is smaller than the sum of its proper divisors (4600904).

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

3472240 is a wasteful number, since it uses less digits than its factorization.

3472240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43416 (or 43410 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 3472240 is about 1863.3947515221. The cubic root of 3472240 is about 151.4269745038.

Adding to 3472240 its reverse (422743), we get a palindrome (3894983).

The spelling of 3472240 in words is "three million, four hundred seventy-two thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 43403 86806 173612 217015 347224 434030 694448 868060 1736120 3472240