Search a number
-
+
16240541 = 43377687
BaseRepresentation
bin111101111100…
…111110011101
31010120002211112
4331330332131
513124144131
61340031405
7255020342
oct75747635
933502745
1016240541
119192839
125532565
1334981b5
14222a7c9
15165c02b
hexf7cf9d

16240541 has 4 divisors (see below), whose sum is σ = 16618272. Its totient is φ = 15862812.

The previous prime is 16240537. The next prime is 16240547. The reversal of 16240541 is 14504261.

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: 14504261 = 23336217.

It is a cyclic number.

It is not a de Polignac number, because 16240541 - 22 = 16240537 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 (16240547) 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, 188801 + ... + 188886.

It is an arithmetic number, because the mean of its divisors is an integer number (4154568).

Almost surely, 216240541 is an apocalyptic number.

It is an amenable number.

16240541 is a deficient number, since it is larger than the sum of its proper divisors (377731).

16240541 is an equidigital number, since it uses as much as digits as its factorization.

16240541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377730.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 16240541 is about 4029.9554588109. The cubic root of 16240541 is about 253.2406953915.

The spelling of 16240541 in words is "sixteen million, two hundred forty thousand, five hundred forty-one".

Divisors: 1 43 377687 16240541