Search a number
-
+
73433441 = 90780963
BaseRepresentation
bin1000110000010…
…00000101100001
312010011210202002
410120020011201
5122244332231
611141533345
71551113444
oct430100541
9163153662
1073433441
11384a66a4
1220714255
13122a1553
149a7765b
1566a80cb
hex4608161

73433441 has 4 divisors (see below), whose sum is σ = 73515312. Its totient is φ = 73351572.

The previous prime is 73433431. The next prime is 73433509. The reversal of 73433441 is 14433437.

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: 14433437 = 53272329.

It is a cyclic number.

It is not a de Polignac number, because 73433441 - 26 = 73433377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73433431) 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, 39575 + ... + 41388.

It is an arithmetic number, because the mean of its divisors is an integer number (18378828).

Almost surely, 273433441 is an apocalyptic number.

It is an amenable number.

73433441 is a deficient number, since it is larger than the sum of its proper divisors (81871).

73433441 is an equidigital number, since it uses as much as digits as its factorization.

73433441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81870.

The product of its digits is 12096, while the sum is 29.

The square root of 73433441 is about 8569.3314208286. The cubic root of 73433441 is about 418.7594554633.

Adding to 73433441 its reverse (14433437), we get a palindrome (87866878).

The spelling of 73433441 in words is "seventy-three million, four hundred thirty-three thousand, four hundred forty-one".

Divisors: 1 907 80963 73433441