Search a number
-
+
72314051 = 151478901
BaseRepresentation
bin1000100111101…
…10110011000011
312001001221020012
410103312303003
5122003022201
611101535135
71535442065
oct423666303
9161057205
1072314051
1137901687
12202744ab
1311c9bba4
149865735
1565365bb
hex44f6cc3

72314051 has 4 divisors (see below), whose sum is σ = 72793104. Its totient is φ = 71835000.

The previous prime is 72314027. The next prime is 72314069. The reversal of 72314051 is 15041327.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15041327 = 72148761.

It is a cyclic number.

It is not a de Polignac number, because 72314051 - 26 = 72313987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72314071) 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, 239300 + ... + 239601.

It is an arithmetic number, because the mean of its divisors is an integer number (18198276).

Almost surely, 272314051 is an apocalyptic number.

72314051 is a deficient number, since it is larger than the sum of its proper divisors (479053).

72314051 is a wasteful number, since it uses less digits than its factorization.

72314051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479052.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 72314051 is about 8503.7668712165. The cubic root of 72314051 is about 416.6207506381.

Adding to 72314051 its reverse (15041327), we get a palindrome (87355378).

The spelling of 72314051 in words is "seventy-two million, three hundred fourteen thousand, fifty-one".

Divisors: 1 151 478901 72314051