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172052486 = 2198950873
BaseRepresentation
bin10100100000101…
…01000000000110
3102222202011122022
422100111000012
5323021134421
625023403142
74156264514
oct1220250006
9388664568
10172052486
1189134641
12497534b2
1329850608
1418bc94b4
15101887ab
hexa415006

172052486 has 16 divisors (see below), whose sum is σ = 274719600. Its totient is φ = 80581248.

The previous prime is 172052483. The next prime is 172052497. The reversal of 172052486 is 684250271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172052483) 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, 22055 + ... + 28818.

It is an arithmetic number, because the mean of its divisors is an integer number (17169975).

Almost surely, 2172052486 is an apocalyptic number.

172052486 is a deficient number, since it is larger than the sum of its proper divisors (102667114).

172052486 is a wasteful number, since it uses less digits than its factorization.

172052486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50983.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 172052486 is about 13116.8779059653. The cubic root of 172052486 is about 556.1863387818.

It can be divided in two parts, 17205 and 2486, that added together give a palindrome (19691).

The spelling of 172052486 in words is "one hundred seventy-two million, fifty-two thousand, four hundred eighty-six".

Divisors: 1 2 19 38 89 178 1691 3382 50873 101746 966587 1933174 4527697 9055394 86026243 172052486