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984968161 = 7113872791
BaseRepresentation
bin111010101101010…
…110101111100001
32112122101120022021
4322231112233201
54004122440121
6241423141441
733260043202
oct7255265741
92478346267
10984968161
11465a97181
12235a44881
131290a61c8
1494b575a9
155b712641
hex3ab56be1

984968161 has 4 divisors (see below), whose sum is σ = 998841024. Its totient is φ = 971095300.

The previous prime is 984968147. The next prime is 984968183. The reversal of 984968161 is 161869489.

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 984968161 - 229 = 448097249 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 984968099 and 984968108.

It is not an unprimeable number, because it can be changed into a prime (984968111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6936325 + ... + 6936466.

It is an arithmetic number, because the mean of its divisors is an integer number (249710256).

Almost surely, 2984968161 is an apocalyptic number.

It is an amenable number.

984968161 is a deficient number, since it is larger than the sum of its proper divisors (13872863).

984968161 is a wasteful number, since it uses less digits than its factorization.

984968161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13872862.

The product of its digits is 746496, while the sum is 52.

The square root of 984968161 is about 31384.2024114044. The cubic root of 984968161 is about 994.9640689701.

The spelling of 984968161 in words is "nine hundred eighty-four million, nine hundred sixty-eight thousand, one hundred sixty-one".

Divisors: 1 71 13872791 984968161