Search a number
-
+
3921053 = 18772089
BaseRepresentation
bin1110111101010010011101
321101012200012
432331102131
52000433203
6220013005
745220433
oct16752235
97335605
103921053
112238a44
121391165
13a73966
14740d53
15526bd8
hex3bd49d

3921053 has 4 divisors (see below), whose sum is σ = 3925020. Its totient is φ = 3917088.

The previous prime is 3921037. The next prime is 3921059. The reversal of 3921053 is 3501293.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 3003289 + 917764 = 1733^2 + 958^2 .

It is a cyclic number.

It is not a de Polignac number, because 3921053 - 24 = 3921037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3921059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 833 + ... + 2921.

It is an arithmetic number, because the mean of its divisors is an integer number (981255).

Almost surely, 23921053 is an apocalyptic number.

It is an amenable number.

3921053 is a deficient number, since it is larger than the sum of its proper divisors (3967).

3921053 is a wasteful number, since it uses less digits than its factorization.

3921053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3966.

The product of its (nonzero) digits is 810, while the sum is 23.

The square root of 3921053 is about 1980.1648921239. The cubic root of 3921053 is about 157.6888203198.

The spelling of 3921053 in words is "three million, nine hundred twenty-one thousand, fifty-three".

Divisors: 1 1877 2089 3921053