Search a number
-
+
72727041 = 3192943997
BaseRepresentation
bin1000101010110…
…11101000000001
312001211220202010
410111123220001
5122104231131
611114443133
71542112122
oct425335001
9161756663
1072727041
11380639a2
12204334a9
13120b4b6a
149932049
1565b8b46
hex455ba01

72727041 has 16 divisors (see below), whose sum is σ = 105595200. Its totient is φ = 44347968.

The previous prime is 72727033. The next prime is 72727043. The reversal of 72727041 is 14072727.

It is not a de Polignac number, because 72727041 - 23 = 72727033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72727043) 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 15 ways as a sum of consecutive naturals, for example, 20346 + ... + 23651.

It is an arithmetic number, because the mean of its divisors is an integer number (6599700).

Almost surely, 272727041 is an apocalyptic number.

It is an amenable number.

72727041 is a deficient number, since it is larger than the sum of its proper divisors (32868159).

72727041 is a wasteful number, since it uses less digits than its factorization.

72727041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44048.

The product of its (nonzero) digits is 5488, while the sum is 30.

The square root of 72727041 is about 8528.0150679979. The cubic root of 72727041 is about 417.4123611570.

Adding to 72727041 its reverse (14072727), we get a palindrome (86799768).

The spelling of 72727041 in words is "seventy-two million, seven hundred twenty-seven thousand, forty-one".

Divisors: 1 3 19 29 57 87 551 1653 43997 131991 835943 1275913 2507829 3827739 24242347 72727041