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3425420 = 225171271
BaseRepresentation
bin1101000100010010001100
320110000210102
431010102030
51334103140
6201230232
741054435
oct15042214
96400712
103425420
111a2a629
121192378
1392c19b
1465248c
15479e15
hex34448c

3425420 has 12 divisors (see below), whose sum is σ = 7193424. Its totient is φ = 1370160.

The previous prime is 3425419. The next prime is 3425431. The reversal of 3425420 is 245243.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 171271 = 3425420 / (3 + 4 + 2 + 5 + 4 + 2 + 0).

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 3425392 and 3425401.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85616 + ... + 85655.

It is an arithmetic number, because the mean of its divisors is an integer number (599452).

Almost surely, 23425420 is an apocalyptic number.

It is an amenable number.

3425420 is an abundant number, since it is smaller than the sum of its proper divisors (3768004).

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

3425420 is a wasteful number, since it uses less digits than its factorization.

3425420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171280 (or 171278 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 3425420 is about 1850.7890209313. The cubic root of 3425420 is about 150.7432738396.

The spelling of 3425420 in words is "three million, four hundred twenty-five thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 171271 342542 685084 856355 1712710 3425420