Search a number
-
+
72652270 = 257265227
BaseRepresentation
bin1000101010010…
…01010111101110
312001201010011211
410111021113232
5122044333040
611113105034
71541351125
oct425112756
9161633154
1072652270
11380127a9
12203b817a
1312089b12
149912abc
1565a18ea
hex45495ee

72652270 has 8 divisors (see below), whose sum is σ = 130774104. Its totient is φ = 29060904.

The previous prime is 72652253. The next prime is 72652273. The reversal of 72652270 is 7225627.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72652273) 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, 3632604 + ... + 3632623.

It is an arithmetic number, because the mean of its divisors is an integer number (16346763).

Almost surely, 272652270 is an apocalyptic number.

72652270 is a deficient number, since it is larger than the sum of its proper divisors (58121834).

72652270 is a wasteful number, since it uses less digits than its factorization.

72652270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7265234.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 72652270 is about 8523.6300952118. The cubic root of 72652270 is about 417.2692642604.

Adding to 72652270 its reverse (7225627), we get a palindrome (79877897).

The spelling of 72652270 in words is "seventy-two million, six hundred fifty-two thousand, two hundred seventy".

Divisors: 1 2 5 10 7265227 14530454 36326135 72652270