Search a number
-
+
72852227 = 710407461
BaseRepresentation
bin1000101011110…
…10001100000011
312002002021110122
410111322030003
5122122232402
611121250455
71543143110
oct425721403
9162067418
1072852227
1138139a58
1220493a2b
1312129b36
149965907
1565e0ca2
hex457a303

72852227 has 4 divisors (see below), whose sum is σ = 83259696. Its totient is φ = 62444760.

The previous prime is 72852217. The next prime is 72852233. The reversal of 72852227 is 72225827.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 72852227 - 24 = 72852211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72852217) 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, 5203724 + ... + 5203737.

It is an arithmetic number, because the mean of its divisors is an integer number (20814924).

Almost surely, 272852227 is an apocalyptic number.

72852227 is a deficient number, since it is larger than the sum of its proper divisors (10407469).

72852227 is a wasteful number, since it uses less digits than its factorization.

72852227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10407468.

The product of its digits is 31360, while the sum is 35.

The square root of 72852227 is about 8535.3516037712. The cubic root of 72852227 is about 417.6517229763.

The spelling of 72852227 in words is "seventy-two million, eight hundred fifty-two thousand, two hundred twenty-seven".

Divisors: 1 7 10407461 72852227