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131534112 = 25319371949
BaseRepresentation
bin1111101011100…
…00110100100000
3100011111121212210
413311300310200
5232133042422
621015122120
73155010243
oct765606440
9304447783
10131534112
116827a586
1238073340
1321334b48
141367d25a
15b83310c
hex7d70d20

131534112 has 96 divisors (see below), whose sum is σ = 373464000. Its totient is φ = 40393728.

The previous prime is 131534099. The next prime is 131534113. The reversal of 131534112 is 211435131.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131534113) 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 15 ways as a sum of consecutive naturals, for example, 66514 + ... + 68462.

It is an arithmetic number, because the mean of its divisors is an integer number (3890250).

Almost surely, 2131534112 is an apocalyptic number.

131534112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131534112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186732000).

131534112 is an abundant number, since it is smaller than the sum of its proper divisors (241929888).

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

131534112 is a wasteful number, since it uses less digits than its factorization.

131534112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2018 (or 2010 counting only the distinct ones).

The product of its digits is 360, while the sum is 21.

The square root of 131534112 is about 11468.8321986155. The cubic root of 131534112 is about 508.5646067102.

Adding to 131534112 its reverse (211435131), we get a palindrome (342969243).

The spelling of 131534112 in words is "one hundred thirty-one million, five hundred thirty-four thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 19 24 32 37 38 48 57 74 76 96 111 114 148 152 222 228 296 304 444 456 592 608 703 888 912 1184 1406 1776 1824 1949 2109 2812 3552 3898 4218 5624 5847 7796 8436 11248 11694 15592 16872 22496 23388 31184 33744 37031 46776 62368 67488 72113 74062 93552 111093 144226 148124 187104 216339 222186 288452 296248 432678 444372 576904 592496 865356 888744 1153808 1184992 1370147 1730712 1777488 2307616 2740294 3461424 3554976 4110441 5480588 6922848 8220882 10961176 16441764 21922352 32883528 43844704 65767056 131534112