Search a number
-
+
3983161 = 7213337
BaseRepresentation
bin1111001100011100111001
321111100212111
433030130321
52004430121
6221212321
745566500
oct17143471
97440774
103983161
112280676
1214010a1
13a96000
14759837
1553a2e1
hex3cc739

3983161 has 24 divisors (see below), whose sum is σ = 5155080. Its totient is φ = 3066336.

The previous prime is 3983153. The next prime is 3983197. The reversal of 3983161 is 1613893.

It can be written as a sum of positive squares in 4 ways, for example, as 490000 + 3493161 = 700^2 + 1869^2 .

It is not a de Polignac number, because 3983161 - 23 = 3983153 is a prime.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (3983131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107635 + ... + 107671.

It is an arithmetic number, because the mean of its divisors is an integer number (214795).

Almost surely, 23983161 is an apocalyptic number.

It is an amenable number.

3983161 is a deficient number, since it is larger than the sum of its proper divisors (1171919).

3983161 is an equidigital number, since it uses as much as digits as its factorization.

3983161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90 (or 57 counting only the distinct ones).

The product of its digits is 3888, while the sum is 31.

The square root of 3983161 is about 1995.7858101510. The cubic root of 3983161 is about 158.5170398343.

The spelling of 3983161 in words is "three million, nine hundred eighty-three thousand, one hundred sixty-one".

Divisors: 1 7 13 37 49 91 169 259 481 637 1183 1813 2197 3367 6253 8281 15379 23569 43771 81289 107653 306397 569023 3983161