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495208172 = 22196515897
BaseRepresentation
bin11101100001000…
…100011011101100
31021111211011220102
4131201010123230
52003233130142
6121050010232
715162125414
oct3541043354
91244734812
10495208172
11234594258
12119a16978
137b797cb4
1449aa9644
152d71d532
hex1d8446ec

495208172 has 12 divisors (see below), whose sum is σ = 912225720. Its totient is φ = 234572256.

The previous prime is 495208163. The next prime is 495208177. The reversal of 495208172 is 271802594.

It is a super-2 number, since 2×4952081722 = 490462267231163168, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (495208177) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3257873 + ... + 3258024.

It is an arithmetic number, because the mean of its divisors is an integer number (76018810).

Almost surely, 2495208172 is an apocalyptic number.

It is an amenable number.

495208172 is a deficient number, since it is larger than the sum of its proper divisors (417017548).

495208172 is a wasteful number, since it uses less digits than its factorization.

495208172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6515920 (or 6515918 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 495208172 is about 22253.2732873166. The cubic root of 495208172 is about 791.1568651355.

The spelling of 495208172 in words is "four hundred ninety-five million, two hundred eight thousand, one hundred seventy-two".

Divisors: 1 2 4 19 38 76 6515897 13031794 26063588 123802043 247604086 495208172