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25030116 = 2232695281
BaseRepresentation
bin101111101111…
…0110111100100
31202002122212100
41133132313210
522401430431
62252252100
7422516046
oct137366744
952078770
1025030116
1113146551
128471030
135254b27
143477a96
1522e64e6
hex17dede4

25030116 has 18 divisors (see below), whose sum is σ = 63270662. Its totient is φ = 8343360.

The previous prime is 25030099. The next prime is 25030121. The reversal of 25030116 is 61103052.

It can be written as a sum of positive squares in only one way, i.e., 15444900 + 9585216 = 3930^2 + 3096^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

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 5 ways as a sum of consecutive naturals, for example, 347605 + ... + 347676.

Almost surely, 225030116 is an apocalyptic number.

It is an amenable number.

25030116 is an abundant number, since it is smaller than the sum of its proper divisors (38240546).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25030116 is a wasteful number, since it uses less digits than its factorization.

25030116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695291 (or 695286 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 25030116 is about 5003.0106935724. The cubic root of 25030116 is about 292.5191396636.

Adding to 25030116 its reverse (61103052), we get a palindrome (86133168).

The spelling of 25030116 in words is "twenty-five million, thirty thousand, one hundred sixteen".

Divisors: 1 2 3 4 6 9 12 18 36 695281 1390562 2085843 2781124 4171686 6257529 8343372 12515058 25030116