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15996101 = 111454191
BaseRepresentation
bin111101000001…
…010011000101
31010002200112012
4331001103011
513043333401
61330504005
7252651602
oct75012305
933080465
1015996101
119036120
125435005
133410b64
1421a56a9
15160e8bb
hexf414c5

15996101 has 4 divisors (see below), whose sum is σ = 17450304. Its totient is φ = 14541900.

The previous prime is 15996083. The next prime is 15996103. The reversal of 15996101 is 10169951.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 15996101 - 26 = 15996037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15996103) 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 3 ways as a sum of consecutive naturals, for example, 727085 + ... + 727106.

It is an arithmetic number, because the mean of its divisors is an integer number (4362576).

Almost surely, 215996101 is an apocalyptic number.

15996101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

15996101 is a deficient number, since it is larger than the sum of its proper divisors (1454203).

15996101 is a wasteful number, since it uses less digits than its factorization.

15996101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1454202.

The product of its (nonzero) digits is 2430, while the sum is 32.

The square root of 15996101 is about 3999.5125953046. The cubic root of 15996101 is about 251.9637398487.

The spelling of 15996101 in words is "fifteen million, nine hundred ninety-six thousand, one hundred one".

Divisors: 1 11 1454191 15996101