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996073861 = 13935919961
BaseRepresentation
bin111011010111101…
…110000110000101
32120102021210110111
4323113232012011
54014443330421
6242501153021
733453326266
oct7327560605
92512253414
10996073861
11471292042
122396bb771
1312b494123
149640896d
155c6a7ee1
hex3b5ee185

996073861 has 8 divisors (see below), whose sum is σ = 1006084800. Its totient is φ = 986103840.

The previous prime is 996073829. The next prime is 996073901. The reversal of 996073861 is 168370699.

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

It is a cyclic number.

It is not a de Polignac number, because 996073861 - 25 = 996073829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (996073261) 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, 39921 + ... + 59881.

It is an arithmetic number, because the mean of its divisors is an integer number (125760600).

Almost surely, 2996073861 is an apocalyptic number.

996073861 is the 19961-st heptagonal number.

It is an amenable number.

996073861 is a deficient number, since it is larger than the sum of its proper divisors (10010939).

996073861 is a wasteful number, since it uses less digits than its factorization.

996073861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20459.

The product of its (nonzero) digits is 489888, while the sum is 49.

The square root of 996073861 is about 31560.6378420969. The cubic root of 996073861 is about 998.6895705247.

The spelling of 996073861 in words is "nine hundred ninety-six million, seventy-three thousand, eight hundred sixty-one".

Divisors: 1 139 359 19961 49901 2774579 7165999 996073861