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201030252 = 22371235951
BaseRepresentation
bin10111111101101…
…11101001101100
3112000021101122220
423332313221230
5402430432002
631540435340
74660505013
oct1376675154
9460241586
10201030252
11a3527005
12573a8b50
1332858217
141c9ada7a
15129ae7bc
hexbfb7a6c

201030252 has 24 divisors (see below), whose sum is σ = 475679232. Its totient is φ = 66066000.

The previous prime is 201030251. The next prime is 201030259. The reversal of 201030252 is 252030102.

201030252 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (201030251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117124 + ... + 118827.

It is an arithmetic number, because the mean of its divisors is an integer number (19819968).

Almost surely, 2201030252 is an apocalyptic number.

It is an amenable number.

201030252 is an abundant number, since it is smaller than the sum of its proper divisors (274648980).

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

201030252 is a wasteful number, since it uses less digits than its factorization.

201030252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236029 (or 236027 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 201030252 is about 14178.5137443951. The cubic root of 201030252 is about 585.8059867074.

Adding to 201030252 its reverse (252030102), we get a palindrome (453060354).

The spelling of 201030252 in words is "two hundred one million, thirty thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 12 71 142 213 284 426 852 235951 471902 707853 943804 1415706 2831412 16752521 33505042 50257563 67010084 100515126 201030252