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131410521 = 32111327379
BaseRepresentation
bin1111101010100…
…10101001011001
3100011021100100100
413311102221121
5232120114041
621012330013
73153654024
oct765225131
9304240310
10131410521
11681a5740
1238013909
13212c0808
141364a1bb
15b80b6b6
hex7d52a59

131410521 has 12 divisors (see below), whose sum is σ = 207071280. Its totient is φ = 79642680.

The previous prime is 131410501. The next prime is 131410577. The reversal of 131410521 is 125014131.

131410521 is a `hidden beast` number, since 1 + 3 + 141 + 0 + 521 = 666.

It is not a de Polignac number, because 131410521 - 29 = 131410009 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 131410494 and 131410503.

It is not an unprimeable number, because it can be changed into a prime (131410501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 663591 + ... + 663788.

It is an arithmetic number, because the mean of its divisors is an integer number (17255940).

Almost surely, 2131410521 is an apocalyptic number.

131410521 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

131410521 is a deficient number, since it is larger than the sum of its proper divisors (75660759).

131410521 is a wasteful number, since it uses less digits than its factorization.

131410521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1327396 (or 1327393 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 131410521 is about 11463.4428074641. The cubic root of 131410521 is about 508.4052723653.

Adding to 131410521 its reverse (125014131), we get a palindrome (256424652).

The spelling of 131410521 in words is "one hundred thirty-one million, four hundred ten thousand, five hundred twenty-one".

Divisors: 1 3 9 11 33 99 1327379 3982137 11946411 14601169 43803507 131410521