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25048538 = 212524269
BaseRepresentation
bin101111110001…
…1010111011010
31202010121010122
41133203113122
522403023123
62252513242
7422623544
oct137432732
952117118
1025048538
1113159379
12847b822
135260328
143480694
1522ebbc8
hex17e35da

25048538 has 4 divisors (see below), whose sum is σ = 37572810. Its totient is φ = 12524268.

The previous prime is 25048537. The next prime is 25048559. The reversal of 25048538 is 83584052.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 22686169 + 2362369 = 4763^2 + 1537^2 .

It is a junction number, because it is equal to n+sod(n) for n = 25048498 and 25048507.

It is not an unprimeable number, because it can be changed into a prime (25048537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6262133 + ... + 6262136.

Almost surely, 225048538 is an apocalyptic number.

25048538 is a deficient number, since it is larger than the sum of its proper divisors (12524272).

25048538 is a wasteful number, since it uses less digits than its factorization.

25048538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12524271.

The product of its (nonzero) digits is 38400, while the sum is 35.

The square root of 25048538 is about 5004.8514463468. The cubic root of 25048538 is about 292.5908861162.

The spelling of 25048538 in words is "twenty-five million, forty-eight thousand, five hundred thirty-eight".

Divisors: 1 2 12524269 25048538