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210106230 = 235173791087
BaseRepresentation
bin11001000010111…
…11011101110110
3112122100111120020
430201133131312
5412241344410
632503150010
75130605415
oct1441373566
9478314506
10210106230
11a8665a14
125a445306
13346b5319
141dc9347c
15136a3a70
hexc85f776

210106230 has 64 divisors (see below), whose sum is σ = 535818240. Its totient is φ = 52545024.

The previous prime is 210106201. The next prime is 210106249. The reversal of 210106230 is 32601012.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 192747 + ... + 193833.

It is an arithmetic number, because the mean of its divisors is an integer number (8372160).

Almost surely, 2210106230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210106230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267909120).

210106230 is an abundant number, since it is smaller than the sum of its proper divisors (325712010).

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

210106230 is a wasteful number, since it uses less digits than its factorization.

210106230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1493.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 210106230 is about 14495.0415659977. The cubic root of 210106230 is about 594.4924042270.

Adding to 210106230 its reverse (32601012), we get a palindrome (242707242).

The spelling of 210106230 in words is "two hundred ten million, one hundred six thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 17 30 34 51 85 102 170 255 379 510 758 1087 1137 1895 2174 2274 3261 3790 5435 5685 6443 6522 10870 11370 12886 16305 18479 19329 32215 32610 36958 38658 55437 64430 92395 96645 110874 184790 193290 277185 411973 554370 823946 1235919 2059865 2471838 4119730 6179595 7003541 12359190 14007082 21010623 35017705 42021246 70035410 105053115 210106230