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131411814 = 2321901969
BaseRepresentation
bin1111101010100…
…10111101100110
3100011021102010020
413311102331212
5232120134224
621012340010
73153660552
oct765227546
9304242106
10131411814
11681a6706
1238014606
13212c1291
141364a862
15b80bc79
hex7d52f66

131411814 has 8 divisors (see below), whose sum is σ = 262823640. Its totient is φ = 43803936.

The previous prime is 131411801. The next prime is 131411831. The reversal of 131411814 is 418114131.

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

131411814 is an admirable number.

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, 10950979 + ... + 10950990.

It is an arithmetic number, because the mean of its divisors is an integer number (32852955).

Almost surely, 2131411814 is an apocalyptic number.

131411814 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

131411814 is a wasteful number, since it uses less digits than its factorization.

131411814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21901974.

The product of its digits is 384, while the sum is 24.

The square root of 131411814 is about 11463.4992039953. The cubic root of 131411814 is about 508.4069398265.

Adding to 131411814 its reverse (418114131), we get a palindrome (549525945).

The spelling of 131411814 in words is "one hundred thirty-one million, four hundred eleven thousand, eight hundred fourteen".

Divisors: 1 2 3 6 21901969 43803938 65705907 131411814