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492012 = 223279173
BaseRepresentation
bin1111000000111101100
3220222220200
41320013230
5111221022
614313500
74116303
oct1700754
9828820
10492012
11306724
121b8890
13142c41
14cb43a
159abac
hex781ec

492012 has 36 divisors (see below), whose sum is σ = 1266720. Its totient is φ = 160992.

The previous prime is 492007. The next prime is 492013. The reversal of 492012 is 210294.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (492013) by changing a digit.

492012 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2758 + ... + 2930.

2492012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 492012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (633360).

492012 is an abundant number, since it is smaller than the sum of its proper divisors (774708).

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

492012 is a wasteful number, since it uses less digits than its factorization.

492012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262 (or 257 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 492012 is about 701.4356706071. The cubic root of 492012 is about 78.9451095494.

The spelling of 492012 in words is "four hundred ninety-two thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 36 79 158 173 237 316 346 474 519 692 711 948 1038 1422 1557 2076 2844 3114 6228 13667 27334 41001 54668 82002 123003 164004 246006 492012