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3080161 = 7440023
BaseRepresentation
bin1011101111111111100001
312210111012001
423233333201
51242031121
6150004001
735116030
oct13577741
95714161
103080161
111814197
121046601
1383aca6
145a2717
1540c991
hex2effe1

3080161 has 4 divisors (see below), whose sum is σ = 3520192. Its totient is φ = 2640132.

The previous prime is 3080159. The next prime is 3080167. The reversal of 3080161 is 1610803.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1610803 = 1739311.

It is a cyclic number.

It is not a de Polignac number, because 3080161 - 21 = 3080159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3080167) 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, 220005 + ... + 220018.

It is an arithmetic number, because the mean of its divisors is an integer number (880048).

Almost surely, 23080161 is an apocalyptic number.

It is an amenable number.

3080161 is a deficient number, since it is larger than the sum of its proper divisors (440031).

3080161 is an equidigital number, since it uses as much as digits as its factorization.

3080161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440030.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 3080161 is about 1755.0387460110. The cubic root of 3080161 is about 145.4982620845.

Adding to 3080161 its reverse (1610803), we get a palindrome (4690964).

The spelling of 3080161 in words is "three million, eighty thousand, one hundred sixty-one".

Divisors: 1 7 440023 3080161