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25064433 = 322784937
BaseRepresentation
bin101111110011…
…1001111110001
31202011101221100
41133213033301
522404030213
62253115013
7423021102
oct137471761
952141840
1025064433
111316a309
128488a69
135267634
1434863a9
152301773
hex17e73f1

25064433 has 6 divisors (see below), whose sum is σ = 36204194. Its totient is φ = 16709616.

The previous prime is 25064419. The next prime is 25064449. The reversal of 25064433 is 33446052.

It can be written as a sum of positive squares in only one way, i.e., 16136289 + 8928144 = 4017^2 + 2988^2 .

It is not a de Polignac number, because 25064433 - 29 = 25063921 is a prime.

It is a super-2 number, since 2×250644332 = 1256451603222978, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25064397 and 25064406.

It is not an unprimeable number, because it can be changed into a prime (25064483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1392460 + ... + 1392477.

Almost surely, 225064433 is an apocalyptic number.

It is an amenable number.

25064433 is a deficient number, since it is larger than the sum of its proper divisors (11139761).

25064433 is a wasteful number, since it uses less digits than its factorization.

25064433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2784943 (or 2784940 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 25064433 is about 5006.4391537299. The cubic root of 25064433 is about 292.6527626317.

The spelling of 25064433 in words is "twenty-five million, sixty-four thousand, four hundred thirty-three".

Divisors: 1 3 9 2784937 8354811 25064433