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BaseRepresentation
bin10011001111011…
…11111001110011
3102020201201102212
421213233321303
5312310233041
624003402335
74000001000
oct1147577163
9366651385
10161414771
1183129341
12460833ab
13275976cb
141761a8a7
15e2868eb
hex99efe73

161414771 has 8 divisors (see below), whose sum is σ = 188239200. Its totient is φ = 138355224.

The previous prime is 161414741. The next prime is 161414797. The reversal of 161414771 is 177414161.

It is not a de Polignac number, because 161414771 - 26 = 161414707 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161414731) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 234956 + ... + 235641.

It is an arithmetic number, because the mean of its divisors is an integer number (23529900).

It is the magic constant of a 686 × 686 magic square.

Almost surely, 2161414771 is an apocalyptic number.

161414771 is a deficient number, since it is larger than the sum of its proper divisors (26824429).

161414771 is an frugal number, since it uses more digits than its factorization.

161414771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470618 (or 470604 counting only the distinct ones).

The product of its digits is 4704, while the sum is 32.

The square root of 161414771 is about 12704.9112944562. The cubic root of 161414771 is about 544.4789464908.

The spelling of 161414771 in words is "one hundred sixty-one million, four hundred fourteen thousand, seven hundred seventy-one".