Search a number
-
+
72027051 = 324009017
BaseRepresentation
bin1000100101100…
…00101110101011
312000112100112120
410102300232223
5121414331201
611051442323
71533135255
oct422605653
9160470476
1072027051
1137725a98
12201563a3
1311bcb375
1497cccd5
1564cb536
hex44b0bab

72027051 has 4 divisors (see below), whose sum is σ = 96036072. Its totient is φ = 48018032.

The previous prime is 72027019. The next prime is 72027071. The reversal of 72027051 is 15072027.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15072027 = 35024009.

It is a cyclic number.

It is not a de Polignac number, because 72027051 - 25 = 72027019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72027071) 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 3 ways as a sum of consecutive naturals, for example, 12004506 + ... + 12004511.

It is an arithmetic number, because the mean of its divisors is an integer number (24009018).

Almost surely, 272027051 is an apocalyptic number.

72027051 is a deficient number, since it is larger than the sum of its proper divisors (24009021).

72027051 is a wasteful number, since it uses less digits than its factorization.

72027051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24009020.

The product of its (nonzero) digits is 980, while the sum is 24.

The square root of 72027051 is about 8486.8752200088. The cubic root of 72027051 is about 416.0688584087.

Adding to 72027051 its reverse (15072027), we get a palindrome (87099078).

The spelling of 72027051 in words is "seventy-two million, twenty-seven thousand, fifty-one".

Divisors: 1 3 24009017 72027051