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131533053 = 3158327697
BaseRepresentation
bin1111101011100…
…00100011111101
3100011111120102120
413311300203331
5232133024203
621015113153
73155004201
oct765604375
9304446376
10131533053
1168279803
12380727b9
1321334512
141367cb01
15b832b53
hex7d708fd

131533053 has 8 divisors (see below), whose sum is σ = 175494528. Its totient is φ = 87630144.

The previous prime is 131533033. The next prime is 131533081. The reversal of 131533053 is 350335131.

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

It is not a de Polignac number, because 131533053 - 220 = 130484477 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131533033) 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, 9100 + ... + 18597.

It is an arithmetic number, because the mean of its divisors is an integer number (21936816).

Almost surely, 2131533053 is an apocalyptic number.

It is an amenable number.

131533053 is a deficient number, since it is larger than the sum of its proper divisors (43961475).

131533053 is a wasteful number, since it uses less digits than its factorization.

131533053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29283.

The product of its (nonzero) digits is 2025, while the sum is 24.

The square root of 131533053 is about 11468.7860299162. The cubic root of 131533053 is about 508.5632418643.

Adding to 131533053 its reverse (350335131), we get a palindrome (481868184).

The spelling of 131533053 in words is "one hundred thirty-one million, five hundred thirty-three thousand, fifty-three".

Divisors: 1 3 1583 4749 27697 83091 43844351 131533053