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966947081 = 17911094871
BaseRepresentation
bin111001101000100…
…111000100001001
32111101111000000212
4321220213010021
53440014301311
6235541010505
732650625462
oct7150470411
92441430025
10966947081
114568a8721
1222b9b3a35
13125436749
14925c5d69
1559d52c8b
hex39a27109

966947081 has 8 divisors (see below), whose sum is σ = 973425600. Its totient is φ = 960480880.

The previous prime is 966947057. The next prime is 966947141. The reversal of 966947081 is 180749669.

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 966947081 - 26 = 966947017 is a prime.

It is a super-2 number, since 2×9669470812 = 1869973314908841122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (966947021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196076 + ... + 200946.

It is an arithmetic number, because the mean of its divisors is an integer number (121678200).

Almost surely, 2966947081 is an apocalyptic number.

It is an amenable number.

966947081 is a deficient number, since it is larger than the sum of its proper divisors (6478519).

966947081 is a wasteful number, since it uses less digits than its factorization.

966947081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6159.

The product of its (nonzero) digits is 653184, while the sum is 50.

The square root of 966947081 is about 31095.7727191334. The cubic root of 966947081 is about 988.8586925879.

The spelling of 966947081 in words is "nine hundred sixty-six million, nine hundred forty-seven thousand, eighty-one".

Divisors: 1 179 1109 4871 198511 871909 5401939 966947081