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989163050 = 25219783261
BaseRepresentation
bin111010111101010…
…110111000101010
32112221021200121112
4322331112320222
54011211204200
6242053110322
733340514201
oct7275267052
92487250545
10989163050
114683a1927
122373283a2
13129c146a5
149552a238
155bc90535
hex3af56e2a

989163050 has 12 divisors (see below), whose sum is σ = 1839843366. Its totient is φ = 395665200.

The previous prime is 989163031. The next prime is 989163079. The reversal of 989163050 is 50361989.

It can be written as a sum of positive squares in 3 ways, for example, as 431683729 + 557479321 = 20777^2 + 23611^2 .

It is a junction number, because it is equal to n+sod(n) for n = 989162989 and 989163007.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9891581 + ... + 9891680.

Almost surely, 2989163050 is an apocalyptic number.

989163050 is a deficient number, since it is larger than the sum of its proper divisors (850680316).

989163050 is a wasteful number, since it uses less digits than its factorization.

989163050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19783273 (or 19783268 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 989163050 is about 31450.9626243777. The cubic root of 989163050 is about 996.3745553687.

The spelling of 989163050 in words is "nine hundred eighty-nine million, one hundred sixty-three thousand, fifty".

Divisors: 1 2 5 10 25 50 19783261 39566522 98916305 197832610 494581525 989163050