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4225420 = 225211271
BaseRepresentation
bin10000000111100110001100
321221200012001
4100013212030
52040203140
6230322044
750626003
oct20074614
97850161
104225420
112426691
1214b9324
13b4c364
147bdc3a
15586e9a
hex40798c

4225420 has 12 divisors (see below), whose sum is σ = 8873424. Its totient is φ = 1690160.

The previous prime is 4225411. The next prime is 4225427. The reversal of 4225420 is 245224.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4225427) 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, 105616 + ... + 105655.

It is an arithmetic number, because the mean of its divisors is an integer number (739452).

Almost surely, 24225420 is an apocalyptic number.

It is an amenable number.

4225420 is an abundant number, since it is smaller than the sum of its proper divisors (4648004).

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

4225420 is a wasteful number, since it uses less digits than its factorization.

4225420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211280 (or 211278 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 4225420 is about 2055.5826424642. The cubic root of 4225420 is about 161.6677129395.

The spelling of 4225420 in words is "four million, two hundred twenty-five thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 211271 422542 845084 1056355 2112710 4225420