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172141106 = 286070553
BaseRepresentation
bin10100100001010…
…10101000110010
3102222220200012112
422100222220302
5323032003411
625025325322
74160114054
oct1220525062
9388820175
10172141106
1189195185
1249796842
1329881a57
1418c0d8d4
15101a4b8b
hexa42aa32

172141106 has 4 divisors (see below), whose sum is σ = 258211662. Its totient is φ = 86070552.

The previous prime is 172141093. The next prime is 172141111. The reversal of 172141106 is 601141271.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 601141271 = 2326136577.

It can be written as a sum of positive squares in only one way, i.e., 169234081 + 2907025 = 13009^2 + 1705^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43035275 + ... + 43035278.

Almost surely, 2172141106 is an apocalyptic number.

172141106 is a deficient number, since it is larger than the sum of its proper divisors (86070556).

172141106 is an equidigital number, since it uses as much as digits as its factorization.

172141106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86070555.

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 172141106 is about 13120.2555615354. The cubic root of 172141106 is about 556.2818150216.

Adding to 172141106 its reverse (601141271), we get a palindrome (773282377).

The spelling of 172141106 in words is "one hundred seventy-two million, one hundred forty-one thousand, one hundred six".

Divisors: 1 2 86070553 172141106