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4289285 = 571113857
BaseRepresentation
bin10000010111001100000101
322001220210102
4100113030011
52044224120
6231533445
751313130
oct20271405
98056712
104289285
11246a670
12152a285
13b72450
147d9217
1559ad75
hex417305

4289285 has 32 divisors (see below), whose sum is σ = 6918912. Its totient is φ = 2465280.

The previous prime is 4289279. The next prime is 4289291. The reversal of 4289285 is 5829824.

It is an interprime number because it is at equal distance from previous prime (4289279) and next prime (4289291).

It is not a de Polignac number, because 4289285 - 214 = 4272901 is a prime.

It is a super-2 number, since 2×42892852 = 36795931622450, which contains 22 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4577 + ... + 5433.

It is an arithmetic number, because the mean of its divisors is an integer number (216216).

Almost surely, 24289285 is an apocalyptic number.

It is an amenable number.

4289285 is a deficient number, since it is larger than the sum of its proper divisors (2629627).

4289285 is a wasteful number, since it uses less digits than its factorization.

4289285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893.

The product of its digits is 46080, while the sum is 38.

The square root of 4289285 is about 2071.0589079019. The cubic root of 4289285 is about 162.4781509085.

The spelling of 4289285 in words is "four million, two hundred eighty-nine thousand, two hundred eighty-five".

Divisors: 1 5 7 11 13 35 55 65 77 91 143 385 455 715 857 1001 4285 5005 5999 9427 11141 29995 47135 55705 65989 77987 122551 329945 389935 612755 857857 4289285