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131040717 = 3371180547
BaseRepresentation
bin1111100111110…
…00010111001101
3100010120120001220
413303320113031
5232021300332
621000353553
73150553623
oct763702715
9303516056
10131040717
1167a72915
1237a758b9
13211c13b2
1413591513
15b786d2c
hex7cf85cd

131040717 has 8 divisors (see below), whose sum is σ = 179443296. Its totient is φ = 84999312.

The previous prime is 131040713. The next prime is 131040719. The reversal of 131040717 is 717040131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 131040717 - 22 = 131040713 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131040713) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 590163 + ... + 590384.

It is an arithmetic number, because the mean of its divisors is an integer number (22430412).

Almost surely, 2131040717 is an apocalyptic number.

It is an amenable number.

131040717 is a deficient number, since it is larger than the sum of its proper divisors (48402579).

131040717 is a wasteful number, since it uses less digits than its factorization.

131040717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1180587.

The product of its (nonzero) digits is 588, while the sum is 24.

The square root of 131040717 is about 11447.3017344700. The cubic root of 131040717 is about 507.9279210876.

Adding to 131040717 its reverse (717040131), we get a palindrome (848080848).

The spelling of 131040717 in words is "one hundred thirty-one million, forty thousand, seven hundred seventeen".

Divisors: 1 3 37 111 1180547 3541641 43680239 131040717