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25472133 = 322830237
BaseRepresentation
bin110000100101…
…0110010000101
31202221010012100
41201022302011
523010102013
62305542313
7426336531
oct141126205
952833170
1025472133
1113418655
128644999
13537b08b
143550bc1
152382473
hex184ac85

25472133 has 6 divisors (see below), whose sum is σ = 36793094. Its totient is φ = 16981416.

The previous prime is 25472087. The next prime is 25472147. The reversal of 25472133 is 33127452.

It can be written as a sum of positive squares in only one way, i.e., 23213124 + 2259009 = 4818^2 + 1503^2 .

It is not a de Polignac number, because 25472133 - 28 = 25471877 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25472097 and 25472106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25472633) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1415110 + ... + 1415127.

Almost surely, 225472133 is an apocalyptic number.

It is an amenable number.

25472133 is a deficient number, since it is larger than the sum of its proper divisors (11320961).

25472133 is a wasteful number, since it uses less digits than its factorization.

25472133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2830243 (or 2830240 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 25472133 is about 5046.9924707691. The cubic root of 25472133 is about 294.2310068354.

Adding to 25472133 its reverse (33127452), we get a palindrome (58599585).

It can be divided in two parts, 2547213 and 3, that added together give a square (2547216 = 15962).

The spelling of 25472133 in words is "twenty-five million, four hundred seventy-two thousand, one hundred thirty-three".

Divisors: 1 3 9 2830237 8490711 25472133