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201203312 = 24191016553
BaseRepresentation
bin10111111111000…
…01111001110000
3112000121012001112
423333201321300
5403002001222
631544252452
74662125402
oct1377417160
9460535045
10201203312
11a3635032
1257471128
13328b8c1b
141ca16b72
15129e5be2
hexbfe1e70

201203312 has 40 divisors (see below), whose sum is σ = 414474960. Its totient is φ = 94348800.

The previous prime is 201203309. The next prime is 201203323. The reversal of 201203312 is 213302102.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 27428 + ... + 33980.

It is an arithmetic number, because the mean of its divisors is an integer number (10361874).

Almost surely, 2201203312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201203312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207237480).

201203312 is an abundant number, since it is smaller than the sum of its proper divisors (213271648).

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

201203312 is a wasteful number, since it uses less digits than its factorization.

201203312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6681 (or 6675 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 201203312 is about 14184.6153278825. The cubic root of 201203312 is about 585.9740385397.

Adding to 201203312 its reverse (213302102), we get a palindrome (414505414).

It can be divided in two parts, 20120 and 3312, that added together give a palindrome (23432).

The spelling of 201203312 in words is "two hundred one million, two hundred three thousand, three hundred twelve".

Divisors: 1 2 4 8 16 19 38 76 101 152 202 304 404 808 1616 1919 3838 6553 7676 13106 15352 26212 30704 52424 104848 124507 249014 498028 661853 996056 1323706 1992112 2647412 5294824 10589648 12575207 25150414 50300828 100601656 201203312