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BaseRepresentation
bin110000101100…
…1001010011010
31210001002222212
41201121022122
523013443114
62311115122
7430003334
oct141311232
953032885
1025531034
1113458931
128672aa2
13539bb29
143568454
152394b3e
hex185929a

25531034 has 4 divisors (see below), whose sum is σ = 38296554. Its totient is φ = 12765516.

The previous prime is 25531031. The next prime is 25531039. The reversal of 25531034 is 43013552.

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., 23961025 + 1570009 = 4895^2 + 1253^2 .

It is not an unprimeable number, because it can be changed into a prime (25531031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6382757 + ... + 6382760.

Almost surely, 225531034 is an apocalyptic number.

25531034 is a deficient number, since it is larger than the sum of its proper divisors (12765520).

25531034 is a wasteful number, since it uses less digits than its factorization.

25531034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12765519.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 25531034 is about 5052.8243587127. The cubic root of 25531034 is about 294.4576225844.

Adding to 25531034 its reverse (43013552), we get a palindrome (68544586).

The spelling of 25531034 in words is "twenty-five million, five hundred thirty-one thousand, thirty-four".

Divisors: 1 2 12765517 25531034