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131841136 = 2471177153
BaseRepresentation
bin1111101101110…
…11110001110000
3100012002020001001
413312323301300
5232222404021
621025451344
73160426330
oct766736160
9305066031
10131841136
116846a219
12381a0b54
132141180b
141371d0c0
15b894091
hex7dbbc70

131841136 has 20 divisors (see below), whose sum is σ = 291934192. Its totient is φ = 56503296.

The previous prime is 131841121. The next prime is 131841161. The reversal of 131841136 is 631148131.

It is a Harshad number since it is a multiple of its sum of digits (28).

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 3 ways as a sum of consecutive naturals, for example, 588465 + ... + 588688.

Almost surely, 2131841136 is an apocalyptic number.

131841136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

131841136 is an abundant number, since it is smaller than the sum of its proper divisors (160093056).

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

131841136 is a wasteful number, since it uses less digits than its factorization.

131841136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1177168 (or 1177162 counting only the distinct ones).

The product of its digits is 1728, while the sum is 28.

The square root of 131841136 is about 11482.2095434633. The cubic root of 131841136 is about 508.9599926355.

Adding to 131841136 its reverse (631148131), we get a palindrome (762989267).

The spelling of 131841136 in words is "one hundred thirty-one million, eight hundred forty-one thousand, one hundred thirty-six".

Divisors: 1 2 4 7 8 14 16 28 56 112 1177153 2354306 4708612 8240071 9417224 16480142 18834448 32960284 65920568 131841136