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15132031 is a prime number
BaseRepresentation
bin111001101110…
…010101111111
31001110210020121
4321232111333
512333211111
61300155411
7242422465
oct71562577
931423217
1015132031
1185a5a12
125098b67
13319a785
14201c835
1514dd871
hexe6e57f

15132031 has 2 divisors, whose sum is σ = 15132032. Its totient is φ = 15132030.

The previous prime is 15131983. The next prime is 15132043. The reversal of 15132031 is 13023151.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-15132031 is a prime.

It is a super-2 number, since 2×151320312 = 457956724369922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15131996 and 15132014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15133031) 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 as a sum of consecutive naturals, namely, 7566015 + 7566016.

It is an arithmetic number, because the mean of its divisors is an integer number (7566016).

Almost surely, 215132031 is an apocalyptic number.

15132031 is a deficient number, since it is larger than the sum of its proper divisors (1).

15132031 is an equidigital number, since it uses as much as digits as its factorization.

15132031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 15132031 is about 3889.9911310953. The cubic root of 15132031 is about 247.3426868220.

Adding to 15132031 its reverse (13023151), we get a palindrome (28155182).

The spelling of 15132031 in words is "fifteen million, one hundred thirty-two thousand, thirty-one".