[go: up one dir, main page]

Search a number
-
+
25425234 = 2321783089
BaseRepresentation
bin110000011111…
…1010101010010
31202211201212100
41200333111102
523002101414
62304541230
7426053022
oct140772522
952751770
1025425234
111339639a
128621816
135362923
14353ba82
152373609
hex183f552

25425234 has 24 divisors (see below), whose sum is σ = 58329180. Its totient is φ = 7976448.

The previous prime is 25425223. The next prime is 25425269. The reversal of 25425234 is 43252452.

It is a happy number.

25425234 is a `hidden beast` number, since 2 + 5 + 425 + 234 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 24532209 + 893025 = 4953^2 + 945^2 .

It is a junction number, because it is equal to n+sod(n) for n = 25425198 and 25425207.

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 11 ways as a sum of consecutive naturals, for example, 41239 + ... + 41850.

Almost surely, 225425234 is an apocalyptic number.

25425234 is an abundant number, since it is smaller than the sum of its proper divisors (32903946).

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

25425234 is a wasteful number, since it uses less digits than its factorization.

25425234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83114 (or 83111 counting only the distinct ones).

The product of its digits is 9600, while the sum is 27.

The square root of 25425234 is about 5042.3440977387. The cubic root of 25425234 is about 294.0503176407.

Adding to 25425234 its reverse (43252452), we get a palindrome (68677686).

It can be divided in two parts, 2542 and 5234, that added together give a 5-th power (7776 = 65).

The spelling of 25425234 in words is "twenty-five million, four hundred twenty-five thousand, two hundred thirty-four".

Divisors: 1 2 3 6 9 17 18 34 51 102 153 306 83089 166178 249267 498534 747801 1412513 1495602 2825026 4237539 8475078 12712617 25425234