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16051441 = 72293063
BaseRepresentation
bin111101001110…
…110011110001
31010012111102211
4331032303301
513102121231
61332012121
7253302130
oct75166361
933174384
1016051441
11907375a
125461041
1334300c3
1421bb917
151620eb1
hexf4ecf1

16051441 has 4 divisors (see below), whose sum is σ = 18344512. Its totient is φ = 13758372.

The previous prime is 16051439. The next prime is 16051501. The reversal of 16051441 is 14415061.

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.

It is a cyclic number.

It is not a de Polignac number, because 16051441 - 21 = 16051439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16051241) 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, 1146525 + ... + 1146538.

It is an arithmetic number, because the mean of its divisors is an integer number (4586128).

Almost surely, 216051441 is an apocalyptic number.

It is an amenable number.

16051441 is a deficient number, since it is larger than the sum of its proper divisors (2293071).

16051441 is an equidigital number, since it uses as much as digits as its factorization.

16051441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2293070.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 16051441 is about 4006.4249649781. The cubic root of 16051441 is about 252.2539694154.

The spelling of 16051441 in words is "sixteen million, fifty-one thousand, four hundred forty-one".

Divisors: 1 7 2293063 16051441