Search a number
-
+
30025452 = 2232502121
BaseRepresentation
bin111001010001…
…0011011101100
32002111110011210
41302202123230
530141303302
62551314420
7513132522
oct162423354
962443153
1030025452
1115a48626
12a07ba10
1362b3752
143db8312
15298166c
hex1ca26ec

30025452 has 12 divisors (see below), whose sum is σ = 70059416. Its totient is φ = 10008480.

The previous prime is 30025439. The next prime is 30025483. The reversal of 30025452 is 25452003.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

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, 1251049 + ... + 1251072.

Almost surely, 230025452 is an apocalyptic number.

It is an amenable number.

30025452 is an abundant number, since it is smaller than the sum of its proper divisors (40033964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30025452 is a wasteful number, since it uses less digits than its factorization.

30025452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2502128 (or 2502126 counting only the distinct ones).

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

The square root of 30025452 is about 5479.5485215481. The cubic root of 30025452 is about 310.8110982920.

Adding to 30025452 its reverse (25452003), we get a palindrome (55477455).

It can be divided in two parts, 300 and 25452, that added together give a palindrome (25752).

The spelling of 30025452 in words is "thirty million, twenty-five thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 12 2502121 5004242 7506363 10008484 15012726 30025452