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172084190 = 2517208419
BaseRepresentation
bin10100100000111…
…00101111011110
3102222210210010112
422100130233132
5323023143230
625024210022
74156456115
oct1220345736
9388723115
10172084190
1189156443
1249769912
1329861b85
1418bd6c7c
1510192d95
hexa41cbde

172084190 has 8 divisors (see below), whose sum is σ = 309751560. Its totient is φ = 68833672.

The previous prime is 172084181. The next prime is 172084201. The reversal of 172084190 is 91480271.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1720841902 = 59225936895912200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8604200 + ... + 8604219.

It is an arithmetic number, because the mean of its divisors is an integer number (38718945).

Almost surely, 2172084190 is an apocalyptic number.

172084190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

172084190 is a deficient number, since it is larger than the sum of its proper divisors (137667370).

172084190 is a wasteful number, since it uses less digits than its factorization.

172084190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17208426.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 172084190 is about 13118.0863695891. The cubic root of 172084190 is about 556.2204993823.

The spelling of 172084190 in words is "one hundred seventy-two million, eighty-four thousand, one hundred ninety".

Divisors: 1 2 5 10 17208419 34416838 86042095 172084190