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131404033 = 1759131011
BaseRepresentation
bin1111101010100…
…01000100000001
3100011021000110001
413311101010001
5232114412113
621012240001
73153626065
oct765210401
9304230401
10131404033
11681a0882
1238010001
13212ba887
1413647aa5
15b8097dd
hex7d51101

131404033 has 8 divisors (see below), whose sum is σ = 141492960. Its totient is φ = 121577280.

The previous prime is 131403977. The next prime is 131404069. The reversal of 131404033 is 330404131.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-131404033 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131404033.

It is not an unprimeable number, because it can be changed into a prime (131404073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64503 + ... + 66508.

It is an arithmetic number, because the mean of its divisors is an integer number (17686620).

Almost surely, 2131404033 is an apocalyptic number.

It is an amenable number.

131404033 is a deficient number, since it is larger than the sum of its proper divisors (10088927).

131404033 is a wasteful number, since it uses less digits than its factorization.

131404033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131087.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 131404033 is about 11463.1598174325. The cubic root of 131404033 is about 508.3969052328.

Adding to 131404033 its reverse (330404131), we get a palindrome (461808164).

The spelling of 131404033 in words is "one hundred thirty-one million, four hundred four thousand, thirty-three".

Divisors: 1 17 59 1003 131011 2227187 7729649 131404033