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4212785 = 57111867
BaseRepresentation
bin10000000100100000110001
321221000212002
4100010200301
52034302120
6230143345
750544113
oct20044061
97830762
104212785
112418145
1214b1b55
13b46695
147b93b3
15583375
hex404831

4212785 has 8 divisors (see below), whose sum is σ = 5126976. Its totient is φ = 3322480.

The previous prime is 4212773. The next prime is 4212797. The reversal of 4212785 is 5872124.

It is an interprime number because it is at equal distance from previous prime (4212773) and next prime (4212797).

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

It is not a de Polignac number, because 4212785 - 28 = 4212529 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 42 + 210 + 1 + 222 + 75 + 8 + 54 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5579 + ... + 6288.

It is an arithmetic number, because the mean of its divisors is an integer number (640872).

Almost surely, 24212785 is an apocalyptic number.

It is an amenable number.

4212785 is a deficient number, since it is larger than the sum of its proper divisors (914191).

4212785 is a wasteful number, since it uses less digits than its factorization.

4212785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11943.

The product of its digits is 4480, while the sum is 29.

The square root of 4212785 is about 2052.5070036421. The cubic root of 4212785 is about 161.5064105549.

The spelling of 4212785 in words is "four million, two hundred twelve thousand, seven hundred eighty-five".

Divisors: 1 5 71 355 11867 59335 842557 4212785