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1000161050 = 25272408229
BaseRepresentation
bin111011100111010…
…011111100011010
32120200222110000212
4323213103330122
54022020123200
6243124531122
733533141300
oct7347237432
92520873025
101000161050
11473623889
1223ab50aa2
1312c295595
1496b90270
155cc14035
hex3b9d3f1a

1000161050 has 36 divisors (see below), whose sum is σ = 2164027230. Its totient is φ = 342911520.

The previous prime is 1000161013. The next prime is 1000161061. The reversal of 1000161050 is 501610001.

It can be written as a sum of positive squares in 3 ways, for example, as 768786529 + 231374521 = 27727^2 + 15211^2 .

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 201665 + ... + 206564.

Almost surely, 21000161050 is an apocalyptic number.

1000161050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1000161050 is an abundant number, since it is smaller than the sum of its proper divisors (1163866180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1000161050 is a wasteful number, since it uses less digits than its factorization.

1000161050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408255 (or 408243 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 1000161050 is about 31625.3229232525. The cubic root of 1000161050 is about 1000.0536804517.

Adding to 1000161050 its reverse (501610001), we get a palindrome (1501771051).

The spelling of 1000161050 in words is "one billion, one hundred sixty-one thousand, fifty".

Divisors: 1 2 5 7 10 14 25 35 49 50 70 98 175 245 350 490 1225 2450 408229 816458 2041145 2857603 4082290 5715206 10205725 14288015 20003221 20411450 28576030 40006442 71440075 100016105 142880150 200032210 500080525 1000161050