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161369296 = 2411916871
BaseRepresentation
bin10011001111001…
…00110011010000
3102020122102001121
421213210303100
5312302304141
624002412024
73666421264
oct1147446320
9366572047
10161369296
11830a8160
1246061014
132757caba
14176080a4
15e2781d1
hex99e4cd0

161369296 has 20 divisors (see below), whose sum is σ = 341076384. Its totient is φ = 73349600.

The previous prime is 161369293. The next prime is 161369309. The reversal of 161369296 is 692963161.

161369296 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161369293) 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 3 ways as a sum of consecutive naturals, for example, 458260 + ... + 458611.

Almost surely, 2161369296 is an apocalyptic number.

161369296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

161369296 is an abundant number, since it is smaller than the sum of its proper divisors (179707088).

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

161369296 is a wasteful number, since it uses less digits than its factorization.

161369296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916890 (or 916884 counting only the distinct ones).

The product of its digits is 104976, while the sum is 43.

The square root of 161369296 is about 12703.1215061496. The cubic root of 161369296 is about 544.4278101016.

The spelling of 161369296 in words is "one hundred sixty-one million, three hundred sixty-nine thousand, two hundred ninety-six".

Divisors: 1 2 4 8 11 16 22 44 88 176 916871 1833742 3667484 7334968 10085581 14669936 20171162 40342324 80684648 161369296