Search a number
-
+
73115472 = 2432575927
BaseRepresentation
bin1000101101110…
…10011101010000
312002120122120110
410112322131100
5122204143342
611131041320
71545320433
oct426723520
9162518513
1073115472
11382a9811
12205a0240
13121bc8c1
1499d381a
156643c9c
hex45ba750

73115472 has 40 divisors (see below), whose sum is σ = 189648576. Its totient is φ = 24272896.

The previous prime is 73115431. The next prime is 73115473. The reversal of 73115472 is 27451137.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73115473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9373 + ... + 15299.

Almost surely, 273115472 is an apocalyptic number.

It is an amenable number.

73115472 is an abundant number, since it is smaller than the sum of its proper divisors (116533104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73115472 is a wasteful number, since it uses less digits than its factorization.

73115472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6195 (or 6189 counting only the distinct ones).

The product of its digits is 5880, while the sum is 30.

The square root of 73115472 is about 8550.7585628411. The cubic root of 73115472 is about 418.1541673188.

The spelling of 73115472 in words is "seventy-three million, one hundred fifteen thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 257 514 771 1028 1542 2056 3084 4112 5927 6168 11854 12336 17781 23708 35562 47416 71124 94832 142248 284496 1523239 3046478 4569717 6092956 9139434 12185912 18278868 24371824 36557736 73115472