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4138205 = 51994159
BaseRepresentation
bin1111110010010011011101
321210020112212
433302103131
52024410310
6224410205
750113511
oct17622335
97706485
104138205
112377105
121476965
13b1b756
1479a141
1556b205
hex3f24dd

4138205 has 8 divisors (see below), whose sum is σ = 4992000. Its totient is φ = 3293136.

The previous prime is 4138153. The next prime is 4138217. The reversal of 4138205 is 5028314.

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 4138205 - 28 = 4137949 is a prime.

It is a congruent 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, 1085 + ... + 3074.

It is an arithmetic number, because the mean of its divisors is an integer number (624000).

Almost surely, 24138205 is an apocalyptic number.

It is an amenable number.

4138205 is a deficient number, since it is larger than the sum of its proper divisors (853795).

4138205 is a wasteful number, since it uses less digits than its factorization.

4138205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4363.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 4138205 is about 2034.2578499296. The cubic root of 4138205 is about 160.5476675088.

The spelling of 4138205 in words is "four million, one hundred thirty-eight thousand, two hundred five".

Divisors: 1 5 199 995 4159 20795 827641 4138205