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210107872 = 2513505067
BaseRepresentation
bin11001000010111…
…11110111100000
3112122100120211001
430201133313200
5412241422442
632503201344
75130613252
oct1441376740
9478316731
10210107872
11a8667177
125a446254
13346b5cb0
141dc93cd2
15136a42b7
hexc85fde0

210107872 has 24 divisors (see below), whose sum is σ = 445469976. Its totient is φ = 96972672.

The previous prime is 210107839. The next prime is 210107927. The reversal of 210107872 is 278701012.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 210107872.

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, 252118 + ... + 252949.

It is an arithmetic number, because the mean of its divisors is an integer number (18561249).

Almost surely, 2210107872 is an apocalyptic number.

It is an amenable number.

210107872 is an abundant number, since it is smaller than the sum of its proper divisors (235362104).

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

210107872 is a wasteful number, since it uses less digits than its factorization.

210107872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505090 (or 505082 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 28.

The square root of 210107872 is about 14495.0982059453. The cubic root of 210107872 is about 594.4939528943.

Adding to 210107872 its reverse (278701012), we get a palindrome (488808884).

It can be divided in two parts, 21010 and 7872, that added together give a palindrome (28882).

The spelling of 210107872 in words is "two hundred ten million, one hundred seven thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 13 16 26 32 52 104 208 416 505067 1010134 2020268 4040536 6565871 8081072 13131742 16162144 26263484 52526968 105053936 210107872