Search a number
-
+
73429361 = 89825049
BaseRepresentation
bin1000110000001…
…11000101110001
312010011121010222
410120013011301
5122244214421
611141502425
71551065525
oct430070561
9163147128
1073429361
11384a3625
1220711a15
131229c735
149a75d85
1566a6cab
hex4607171

73429361 has 4 divisors (see below), whose sum is σ = 74254500. Its totient is φ = 72604224.

The previous prime is 73429351. The next prime is 73429379. The reversal of 73429361 is 16392437.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16392437 = 17964261.

It can be written as a sum of positive squares in 2 ways, for example, as 13830961 + 59598400 = 3719^2 + 7720^2 .

It is a cyclic number.

It is not a de Polignac number, because 73429361 - 210 = 73428337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73429351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 412436 + ... + 412613.

It is an arithmetic number, because the mean of its divisors is an integer number (18563625).

Almost surely, 273429361 is an apocalyptic number.

It is an amenable number.

73429361 is a deficient number, since it is larger than the sum of its proper divisors (825139).

73429361 is an equidigital number, since it uses as much as digits as its factorization.

73429361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825138.

The product of its digits is 27216, while the sum is 35.

The square root of 73429361 is about 8569.0933592767. The cubic root of 73429361 is about 418.7516998223.

The spelling of 73429361 in words is "seventy-three million, four hundred twenty-nine thousand, three hundred sixty-one".

Divisors: 1 89 825049 73429361