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25028330 = 252502833
BaseRepresentation
bin101111101111…
…0011011101010
31202002120102012
41133132123222
522401401310
62252235522
7422510615
oct137363352
952076365
1025028330
1113145178
12846bba2
135254082
14347717c
1522e5c05
hex17de6ea

25028330 has 8 divisors (see below), whose sum is σ = 45051012. Its totient is φ = 10011328.

The previous prime is 25028323. The next prime is 25028351. The reversal of 25028330 is 3382052.

It can be written as a sum of positive squares in 2 ways, for example, as 22934521 + 2093809 = 4789^2 + 1447^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 25028296 and 25028305.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1251407 + ... + 1251426.

Almost surely, 225028330 is an apocalyptic number.

25028330 is a deficient number, since it is larger than the sum of its proper divisors (20022682).

25028330 is a wasteful number, since it uses less digits than its factorization.

25028330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2502840.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 25028330 is about 5002.8321978655. The cubic root of 25028330 is about 292.5121820236.

The spelling of 25028330 in words is "twenty-five million, twenty-eight thousand, three hundred thirty".

Divisors: 1 2 5 10 2502833 5005666 12514165 25028330