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131766048 = 2533178971
BaseRepresentation
bin1111101101010…
…01011100100000
3100011221102001000
413312221130200
5232213003143
621024112000
73156664401
oct766513440
9304842030
10131766048
1168418867
1238165600
13213b659b
14136dd9a8
15b87bbd3
hex7da9720

131766048 has 96 divisors (see below), whose sum is σ = 406969920. Its totient is φ = 41333760.

The previous prime is 131766029. The next prime is 131766049. The reversal of 131766048 is 840667131.

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

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (131766049) 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, 10203 + ... + 19173.

It is an arithmetic number, because the mean of its divisors is an integer number (4239270).

Almost surely, 2131766048 is an apocalyptic number.

131766048 is a gapful number since it is divisible by the number (18) 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 131766048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203484960).

131766048 is an abundant number, since it is smaller than the sum of its proper divisors (275203872).

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

131766048 is a wasteful number, since it uses less digits than its factorization.

131766048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9007 (or 8993 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 131766048 is about 11478.9393238226. The cubic root of 131766048 is about 508.8633509584.

The spelling of 131766048 in words is "one hundred thirty-one million, seven hundred sixty-six thousand, forty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 17 18 24 27 32 34 36 48 51 54 68 72 96 102 108 136 144 153 204 216 272 288 306 408 432 459 544 612 816 864 918 1224 1632 1836 2448 3672 4896 7344 8971 14688 17942 26913 35884 53826 71768 80739 107652 143536 152507 161478 215304 242217 287072 305014 322956 430608 457521 484434 610028 645912 861216 915042 968868 1220056 1291824 1372563 1830084 1937736 2440112 2583648 2745126 3660168 3875472 4117689 4880224 5490252 7320336 7750944 8235378 10980504 14640672 16470756 21961008 32941512 43922016 65883024 131766048