Search a number
-
+
30264433 = 149203117
BaseRepresentation
bin111001101110…
…0110001110001
32002221120222221
41303130301301
530221430213
63000401041
7515146333
oct163346161
962846887
1030264433
11160a1131
12a176181
136368464
14403b453
1529cc38d
hex1cdcc71

30264433 has 4 divisors (see below), whose sum is σ = 30467700. Its totient is φ = 30061168.

The previous prime is 30264407. The next prime is 30264439. The reversal of 30264433 is 33446203.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33446203 = 74778029.

It can be written as a sum of positive squares in 2 ways, for example, as 9168784 + 21095649 = 3028^2 + 4593^2 .

It is a cyclic number.

It is not a de Polignac number, because 30264433 - 217 = 30133361 is a prime.

It is a super-2 number, since 2×302644332 = 1831871809622978, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30264398 and 30264407.

It is not an unprimeable number, because it can be changed into a prime (30264439) 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, 101410 + ... + 101707.

It is an arithmetic number, because the mean of its divisors is an integer number (7616925).

Almost surely, 230264433 is an apocalyptic number.

It is an amenable number.

30264433 is a deficient number, since it is larger than the sum of its proper divisors (203267).

30264433 is a wasteful number, since it uses less digits than its factorization.

30264433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203266.

The product of its (nonzero) digits is 5184, while the sum is 25.

The square root of 30264433 is about 5501.3119344389. The cubic root of 30264433 is about 311.6335310682.

The spelling of 30264433 in words is "thirty million, two hundred sixty-four thousand, four hundred thirty-three".

Divisors: 1 149 203117 30264433