Search a number
-
+
30483271 = 713457733
BaseRepresentation
bin111010001001…
…0001101000111
32010100201012001
41310102031013
530300431041
63005210131
7520050340
oct164221507
963321161
1030483271
1116230595
12a260947
136413c50
1440970c7
152a22131
hex1d12347

30483271 has 16 divisors (see below), whose sum is σ = 37651264. Its totient is φ = 24033024.

The previous prime is 30483269. The next prime is 30483289. The reversal of 30483271 is 17238403.

It is a cyclic number.

It is not a de Polignac number, because 30483271 - 21 = 30483269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30483241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41221 + ... + 41953.

It is an arithmetic number, because the mean of its divisors is an integer number (2353204).

Almost surely, 230483271 is an apocalyptic number.

30483271 is a deficient number, since it is larger than the sum of its proper divisors (7167993).

30483271 is a wasteful number, since it uses less digits than its factorization.

30483271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1210.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 30483271 is about 5521.1657283585. The cubic root of 30483271 is about 312.3828544383.

The spelling of 30483271 in words is "thirty million, four hundred eighty-three thousand, two hundred seventy-one".

Divisors: 1 7 13 91 457 733 3199 5131 5941 9529 41587 66703 334981 2344867 4354753 30483271