Search a number
-
+
30452025 = 352406027
BaseRepresentation
bin111010000101…
…0100100111001
32010022010022210
41310022210321
530243431100
63004405333
7516560262
oct164124471
963263283
1030452025
111620a06a
12a246849
136402966
144089969
152a17c50
hex1d0a939

30452025 has 12 divisors (see below), whose sum is σ = 50347472. Its totient is φ = 16241040.

The previous prime is 30451961. The next prime is 30452027. The reversal of 30452025 is 52025403.

It is not a de Polignac number, because 30452025 - 26 = 30451961 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30451992 and 30452010.

It is not an unprimeable number, because it can be changed into a prime (30452027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 202939 + ... + 203088.

Almost surely, 230452025 is an apocalyptic number.

It is an amenable number.

30452025 is a deficient number, since it is larger than the sum of its proper divisors (19895447).

30452025 is a wasteful number, since it uses less digits than its factorization.

30452025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406040 (or 406035 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 30452025 is about 5518.3353468234. The cubic root of 30452025 is about 312.2760849302.

Adding to 30452025 its reverse (52025403), we get a palindrome (82477428).

The spelling of 30452025 in words is "thirty million, four hundred fifty-two thousand, twenty-five".

Divisors: 1 3 5 15 25 75 406027 1218081 2030135 6090405 10150675 30452025