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172740095 = 51129108301
BaseRepresentation
bin10100100101111…
…00110111111111
3110001001002212022
422102330313333
5323210140340
625050230355
74165160303
oct1222746777
9401032768
10172740095
1189564210
1249a253bb
1329a31598
1418d27d03
15102723b5
hexa4bcdff

172740095 has 16 divisors (see below), whose sum is σ = 233932320. Its totient is φ = 121296000.

The previous prime is 172740083. The next prime is 172740103. The reversal of 172740095 is 590047271.

It is not a de Polignac number, because 172740095 - 24 = 172740079 is a prime.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 52556 + ... + 55745.

It is an arithmetic number, because the mean of its divisors is an integer number (14620770).

Almost surely, 2172740095 is an apocalyptic number.

172740095 is a deficient number, since it is larger than the sum of its proper divisors (61192225).

172740095 is a wasteful number, since it uses less digits than its factorization.

172740095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108346.

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 172740095 is about 13143.0626187354. The cubic root of 172740095 is about 556.9262881547.

The spelling of 172740095 in words is "one hundred seventy-two million, seven hundred forty thousand, ninety-five".

Divisors: 1 5 11 29 55 145 319 1595 108301 541505 1191311 3140729 5956555 15703645 34548019 172740095