Search a number
-
+
30172327 = 271111337
BaseRepresentation
bin111001100011…
…0010010100111
32002202220122121
41303012102213
530211003302
62554410411
7514313653
oct163062247
962686577
1030172327
1116038a09
12a130a07
136335563
144015a63
1529aee37
hex1cc64a7

30172327 has 4 divisors (see below), whose sum is σ = 30283936. Its totient is φ = 30060720.

The previous prime is 30172319. The next prime is 30172333. The reversal of 30172327 is 72327103.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72327103 = 671079509.

It is a cyclic number.

It is not a de Polignac number, because 30172327 - 23 = 30172319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30179327) 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, 55398 + ... + 55939.

It is an arithmetic number, because the mean of its divisors is an integer number (7570984).

Almost surely, 230172327 is an apocalyptic number.

30172327 is a deficient number, since it is larger than the sum of its proper divisors (111609).

30172327 is a wasteful number, since it uses less digits than its factorization.

30172327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111608.

The product of its (nonzero) digits is 1764, while the sum is 25.

The square root of 30172327 is about 5492.9342795996. The cubic root of 30172327 is about 311.3170706468.

The spelling of 30172327 in words is "thirty million, one hundred seventy-two thousand, three hundred twenty-seven".

Divisors: 1 271 111337 30172327