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485172 = 223213477
BaseRepresentation
bin1110110011100110100
3220122112100
41312130310
5111011142
614222100
74060332
oct1663464
9818470
10485172
11301576
121b4930
1313caac
14c8b52
1598b4c
hex76734

485172 has 18 divisors (see below), whose sum is σ = 1226498. Its totient is φ = 161712.

The previous prime is 485171. The next prime is 485201. The reversal of 485172 is 271584.

It can be written as a sum of positive squares in only one way, i.e., 443556 + 41616 = 666^2 + 204^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485171) by changing a digit.

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 in 5 ways as a sum of consecutive naturals, for example, 6703 + ... + 6774.

2485172 is an apocalyptic number.

It is an amenable number.

485172 is an abundant number, since it is smaller than the sum of its proper divisors (741326).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

485172 is a wasteful number, since it uses less digits than its factorization.

485172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13487 (or 13482 counting only the distinct ones).

The product of its digits is 2240, while the sum is 27.

The square root of 485172 is about 696.5428917159. The cubic root of 485172 is about 78.5775667774.

The spelling of 485172 in words is "four hundred eighty-five thousand, one hundred seventy-two".

Divisors: 1 2 3 4 6 9 12 18 36 13477 26954 40431 53908 80862 121293 161724 242586 485172