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492020 = 22573337
BaseRepresentation
bin1111000000111110100
3220222220222
41320013310
5111221040
614313512
74116314
oct1700764
9828828
10492020
11306731
121b8898
13142c49
14cb444
159abb5
hex781f4

492020 has 24 divisors (see below), whose sum is σ = 1050504. Its totient is φ = 193536.

The previous prime is 492017. The next prime is 492029. The reversal of 492020 is 20294.

492020 is nontrivially palindromic in base 9.

It can be written as a sum of positive squares in 4 ways, for example, as 26896 + 465124 = 164^2 + 682^2 .

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 492020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (492029) 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, 1292 + ... + 1628.

It is an arithmetic number, because the mean of its divisors is an integer number (43771).

2492020 is an apocalyptic number.

It is an amenable number.

492020 is an abundant number, since it is smaller than the sum of its proper divisors (558484).

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

492020 is a wasteful number, since it uses less digits than its factorization.

492020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419 (or 417 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 492020 is about 701.4413731738. The cubic root of 492020 is about 78.9455374234.

The spelling of 492020 in words is "four hundred ninety-two thousand, twenty".

Divisors: 1 2 4 5 10 20 73 146 292 337 365 674 730 1348 1460 1685 3370 6740 24601 49202 98404 123005 246010 492020