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25032830 = 252503283
BaseRepresentation
bin101111101111…
…1100001111110
31202002210120212
41133133201332
522402022310
62252312422
7422530004
oct137374176
952083525
1025032830
1113148599
128472712
135256134
143478a74
1522e7205
hex17df87e

25032830 has 8 divisors (see below), whose sum is σ = 45059112. Its totient is φ = 10013128.

The previous prime is 25032827. The next prime is 25032853. The reversal of 25032830 is 3823052.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25032796 and 25032805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1251632 + ... + 1251651.

It is an arithmetic number, because the mean of its divisors is an integer number (5632389).

Almost surely, 225032830 is an apocalyptic number.

25032830 is a deficient number, since it is larger than the sum of its proper divisors (20026282).

25032830 is a wasteful number, since it uses less digits than its factorization.

25032830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2503290.

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

The square root of 25032830 is about 5003.2819228982. The cubic root of 25032830 is about 292.5297118380.

Adding to 25032830 its reverse (3823052), we get a palindrome (28855882).

The spelling of 25032830 in words is "twenty-five million, thirty-two thousand, eight hundred thirty".

Divisors: 1 2 5 10 2503283 5006566 12516415 25032830