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172151041 = 976012953
BaseRepresentation
bin10100100001011…
…01000100000001
3102222221011211111
422100231010001
5323032313131
625025443321
74160155036
oct1220550401
9388834744
10172151041
11891a1697
12497a0541
132988642a
1418c1338d
15101a7ab1
hexa42d101

172151041 has 8 divisors (see below), whose sum is σ = 174274184. Its totient is φ = 170035200.

The previous prime is 172151017. The next prime is 172151051. The reversal of 172151041 is 140151271.

It can be written as a sum of positive squares in 4 ways, for example, as 75620416 + 96530625 = 8696^2 + 9825^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 172151041 - 211 = 172148993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (172151051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56821 + ... + 59773.

It is an arithmetic number, because the mean of its divisors is an integer number (21784273).

Almost surely, 2172151041 is an apocalyptic number.

It is an amenable number.

172151041 is a deficient number, since it is larger than the sum of its proper divisors (2123143).

172151041 is an equidigital number, since it uses as much as digits as its factorization.

172151041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3651.

The product of its (nonzero) digits is 280, while the sum is 22.

The square root of 172151041 is about 13120.6341691246. The cubic root of 172151041 is about 556.2925166172.

The spelling of 172151041 in words is "one hundred seventy-two million, one hundred fifty-one thousand, forty-one".

Divisors: 1 97 601 2953 58297 286441 1774753 172151041