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210302230 = 25151139273
BaseRepresentation
bin11001000100011…
…11010100010110
3112122201110102111
430202033110112
5412314132410
632511301234
75132353015
oct1442172426
9478643374
10210302230
11a878a1a6
125a51a81a
13347535b8
141dd04a7c
15136e1b8a
hexc88f516

210302230 has 16 divisors (see below), whose sum is σ = 381053664. Its totient is φ = 83563200.

The previous prime is 210302227. The next prime is 210302231. The reversal of 210302230 is 32203012.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 210302230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210302231) 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, 68127 + ... + 71146.

It is an arithmetic number, because the mean of its divisors is an integer number (23815854).

Almost surely, 2210302230 is an apocalyptic number.

210302230 is a deficient number, since it is larger than the sum of its proper divisors (170751434).

210302230 is a wasteful number, since it uses less digits than its factorization.

210302230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139431.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 210302230 is about 14501.8009226441. The cubic root of 210302230 is about 594.6772064537.

Adding to 210302230 its reverse (32203012), we get a palindrome (242505242).

The spelling of 210302230 in words is "two hundred ten million, three hundred two thousand, two hundred thirty".

Divisors: 1 2 5 10 151 302 755 1510 139273 278546 696365 1392730 21030223 42060446 105151115 210302230