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3985255 = 5797051
BaseRepresentation
bin1111001100111101100111
321111110202001
433030331213
52010012010
6221230131
745605551
oct17147547
97443661
103985255
1122821aa
121402347
13a96c51
1475a4d1
1553ac3a
hex3ccf67

3985255 has 4 divisors (see below), whose sum is σ = 4782312. Its totient is φ = 3188200.

The previous prime is 3985249. The next prime is 3985277. The reversal of 3985255 is 5525893.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5525893 = 26321011.

It is not a de Polignac number, because 3985255 - 213 = 3977063 is a prime.

It is a d-powerful number, because it can be written as 37 + 94 + 84 + 54 + 216 + 59 + 59 .

It is a Duffinian number.

3985255 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 398521 + ... + 398530.

It is an arithmetic number, because the mean of its divisors is an integer number (1195578).

Almost surely, 23985255 is an apocalyptic number.

3985255 is a deficient number, since it is larger than the sum of its proper divisors (797057).

3985255 is an equidigital number, since it uses as much as digits as its factorization.

3985255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797056.

The product of its digits is 54000, while the sum is 37.

The square root of 3985255 is about 1996.3103466145. The cubic root of 3985255 is about 158.5448131305.

The spelling of 3985255 in words is "three million, nine hundred eighty-five thousand, two hundred fifty-five".

Divisors: 1 5 797051 3985255