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4212885 = 35280859
BaseRepresentation
bin10000000100100010010101
321221000222210
4100010202111
52034303020
6230144033
750544315
oct20044225
97830883
104212885
112418226
1214b2019
13b46741
147b9445
155833e0
hex404895

4212885 has 8 divisors (see below), whose sum is σ = 6740640. Its totient is φ = 2246864.

The previous prime is 4212883. The next prime is 4212907. The reversal of 4212885 is 5882124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4212885 - 21 = 4212883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4212881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140415 + ... + 140444.

It is an arithmetic number, because the mean of its divisors is an integer number (842580).

Almost surely, 24212885 is an apocalyptic number.

It is an amenable number.

4212885 is a deficient number, since it is larger than the sum of its proper divisors (2527755).

4212885 is a wasteful number, since it uses less digits than its factorization.

4212885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280867.

The product of its digits is 5120, while the sum is 30.

The square root of 4212885 is about 2052.5313639504. The cubic root of 4212885 is about 161.5076884517.

The spelling of 4212885 in words is "four million, two hundred twelve thousand, eight hundred eighty-five".

Divisors: 1 3 5 15 280859 842577 1404295 4212885