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25005329 = 149257653
BaseRepresentation
bin101111101100…
…0110100010001
31202001101212022
41133120310101
522400132304
62251541225
7422353556
oct137306421
952041768
1025005329
1113129968
12845a815
13524676b
14346ca2d
1522ddebe
hex17d8d11

25005329 has 8 divisors (see below), whose sum is σ = 25309800. Its totient is φ = 24702976.

The previous prime is 25005307. The next prime is 25005353. The reversal of 25005329 is 92350052.

It can be written as a sum of positive squares in 4 ways, for example, as 3168400 + 21836929 = 1780^2 + 4673^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25005329 - 28 = 25005073 is a prime.

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 = 25005298 and 25005307.

It is not an unprimeable number, because it can be changed into a prime (25005359) 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 in 7 ways as a sum of consecutive naturals, for example, 37967 + ... + 38619.

It is an arithmetic number, because the mean of its divisors is an integer number (3163725).

Almost surely, 225005329 is an apocalyptic number.

It is an amenable number.

25005329 is a deficient number, since it is larger than the sum of its proper divisors (304471).

25005329 is a wasteful number, since it uses less digits than its factorization.

25005329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 25005329 is about 5000.5328716048. The cubic root of 25005329 is about 292.4225484660.

It can be divided in two parts, 2500 and 5329, that multiplied together give a square (13322500 = 36502).

The spelling of 25005329 in words is "twenty-five million, five thousand, three hundred twenty-nine".

Divisors: 1 149 257 653 38293 97297 167821 25005329