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131332064 = 254104127
BaseRepresentation
bin1111101001111…
…11011111100000
3100011010100201112
413310333133200
5232110111224
621010522452
73153206213
oct764773740
9304110645
10131332064
11681517a6
1237b96428
1321293ba6
141362977a
15b7e330e
hex7d3f7e0

131332064 has 12 divisors (see below), whose sum is σ = 258560064. Its totient is φ = 65666016.

The previous prime is 131332063. The next prime is 131332067. The reversal of 131332064 is 460233131.

It is a super-2 number, since 2×1313320642 = 34496222069000192, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131332063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2052032 + ... + 2052095.

It is an arithmetic number, because the mean of its divisors is an integer number (21546672).

Almost surely, 2131332064 is an apocalyptic number.

It is an amenable number.

131332064 is a deficient number, since it is larger than the sum of its proper divisors (127228000).

131332064 is an equidigital number, since it uses as much as digits as its factorization.

131332064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4104137 (or 4104129 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 131332064 is about 11460.0202443102. The cubic root of 131332064 is about 508.3040732299.

Adding to 131332064 its reverse (460233131), we get a palindrome (591565195).

The spelling of 131332064 in words is "one hundred thirty-one million, three hundred thirty-two thousand, sixty-four".

Divisors: 1 2 4 8 16 32 4104127 8208254 16416508 32833016 65666032 131332064