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490172 = 22315967
BaseRepresentation
bin1110111101010111100
3220220101112
41313222330
5111141142
614301152
74111034
oct1675274
9826345
10490172
11305301
121b77b8
13142157
14ca8c4
159a382
hex77abc

490172 has 24 divisors (see below), whose sum is σ = 913920. Its totient is φ = 229680.

The previous prime is 490169. The next prime is 490183. The reversal of 490172 is 271094.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7283 + ... + 7349.

It is an arithmetic number, because the mean of its divisors is an integer number (38080).

2490172 is an apocalyptic number.

It is an amenable number.

490172 is a deficient number, since it is larger than the sum of its proper divisors (423748).

490172 is a wasteful number, since it uses less digits than its factorization.

490172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161 (or 159 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 490172 is about 700.1228463634. The cubic root of 490172 is about 78.8465750584.

The spelling of 490172 in words is "four hundred ninety thousand, one hundred seventy-two".

Divisors: 1 2 4 31 59 62 67 118 124 134 236 268 1829 2077 3658 3953 4154 7316 7906 8308 15812 122543 245086 490172