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4203685 = 54211997
BaseRepresentation
bin10000000010010010100101
321220120101001
4100002102211
52034004220
6230033301
750505433
oct20022245
97816331
104203685
112411322
1214a8831
13b424b5
147b5d53
1558080a
hex4024a5

4203685 has 8 divisors (see below), whose sum is σ = 5058936. Its totient is φ = 3353280.

The previous prime is 4203677. The next prime is 4203707. The reversal of 4203685 is 5863024.

It can be written as a sum of positive squares in 4 ways, for example, as 494209 + 3709476 = 703^2 + 1926^2 .

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

It is not a de Polignac number, because 4203685 - 23 = 4203677 is a prime.

It is a super-3 number, since 3×42036853 (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

4203685 is a lucky number.

It is a congruent number.

It is an unprimeable number.

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, 1107 + ... + 3103.

It is an arithmetic number, because the mean of its divisors is an integer number (632367).

Almost surely, 24203685 is an apocalyptic number.

It is an amenable number.

4203685 is a deficient number, since it is larger than the sum of its proper divisors (855251).

4203685 is a wasteful number, since it uses less digits than its factorization.

4203685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2423.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 4203685 is about 2050.2890040187. The cubic root of 4203685 is about 161.3900371944.

The spelling of 4203685 in words is "four million, two hundred three thousand, six hundred eighty-five".

Divisors: 1 5 421 1997 2105 9985 840737 4203685