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171345055 = 5723212851
BaseRepresentation
bin10100011011010…
…00010010011111
3102221102020020011
422031220102133
5322331020210
625000304051
74150260160
oct1215502237
9387366204
10171345055
11887a1092
1249472027
132966360b
1418a83767
1510098d8a
hexa36849f

171345055 has 16 divisors (see below), whose sum is σ = 245205504. Its totient is φ = 112384800.

The previous prime is 171345049. The next prime is 171345061. The reversal of 171345055 is 550543171.

171345055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (171345049) and next prime (171345061).

It is not a de Polignac number, because 171345055 - 29 = 171344543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105621 + ... + 107230.

It is an arithmetic number, because the mean of its divisors is an integer number (15325344).

Almost surely, 2171345055 is an apocalyptic number.

171345055 is a deficient number, since it is larger than the sum of its proper divisors (73860449).

171345055 is a wasteful number, since it uses less digits than its factorization.

171345055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212886.

The product of its (nonzero) digits is 10500, while the sum is 31.

The square root of 171345055 is about 13089.8836893228. The cubic root of 171345055 is about 555.4229981442.

The spelling of 171345055 in words is "one hundred seventy-one million, three hundred forty-five thousand, fifty-five".

Divisors: 1 5 7 23 35 115 161 805 212851 1064255 1489957 4895573 7449785 24477865 34269011 171345055