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201312132 = 22374158453
BaseRepresentation
bin10111111111111…
…00011110000100
3112000210201022220
423333330132010
5403013442012
631550452340
74663060560
oct1377743604
9460721286
10201312132
11a36a986a
12575040b0
1332926608
141ca446a0
1512a1808c
hexbffc784

201312132 has 48 divisors (see below), whose sum is σ = 549935232. Its totient is φ = 56113920.

The previous prime is 201312131. The next prime is 201312149. The reversal of 201312132 is 231213102.

It is a super-3 number, since 3×2013121323 (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (201312131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25783 + ... + 32670.

It is an arithmetic number, because the mean of its divisors is an integer number (11456984).

Almost surely, 2201312132 is an apocalyptic number.

It is an amenable number.

201312132 is an abundant number, since it is smaller than the sum of its proper divisors (348623100).

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

201312132 is a wasteful number, since it uses less digits than its factorization.

201312132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58508 (or 58506 counting only the distinct ones).

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

The square root of 201312132 is about 14188.4506553746. The cubic root of 201312132 is about 586.0796600656.

Adding to 201312132 its reverse (231213102), we get a palindrome (432525234).

The spelling of 201312132 in words is "two hundred one million, three hundred twelve thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 41 42 82 84 123 164 246 287 492 574 861 1148 1722 3444 58453 116906 175359 233812 350718 409171 701436 818342 1227513 1636684 2396573 2455026 4793146 4910052 7189719 9586292 14379438 16776011 28758876 33552022 50328033 67104044 100656066 201312132