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25832434 = 212916217
BaseRepresentation
bin110001010001…
…0101111110010
31210121102102211
41202202233302
523103114214
62321402334
7432400135
oct142425762
953542384
1025832434
1113644321
1287993aa
135476084
14360621c
1524040c4
hex18a2bf2

25832434 has 4 divisors (see below), whose sum is σ = 38748654. Its totient is φ = 12916216.

The previous prime is 25832431. The next prime is 25832441. The reversal of 25832434 is 43423852.

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., 21650409 + 4182025 = 4653^2 + 2045^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 25832396 and 25832405.

It is not an unprimeable number, because it can be changed into a prime (25832431) by changing a digit.

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 as a sum of consecutive naturals, namely, 6458107 + ... + 6458110.

Almost surely, 225832434 is an apocalyptic number.

25832434 is a deficient number, since it is larger than the sum of its proper divisors (12916220).

25832434 is a wasteful number, since it uses less digits than its factorization.

25832434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12916219.

The product of its digits is 23040, while the sum is 31.

The square root of 25832434 is about 5082.5617556504. The cubic root of 25832434 is about 295.6118069850.

The spelling of 25832434 in words is "twenty-five million, eight hundred thirty-two thousand, four hundred thirty-four".

Divisors: 1 2 12916217 25832434