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4809812 = 227199041
BaseRepresentation
bin10010010110010001010100
3100001100211012
4102112101110
52212403222
6251031352
755611530
oct22262124
910040735
104809812
112795757
12173b558
13cc5357
148d2bc0
156501e2
hex496454

4809812 has 24 divisors (see below), whose sum is σ = 10127040. Its totient is φ = 1952640.

The previous prime is 4809811. The next prime is 4809859. The reversal of 4809812 is 2189084.

It is a happy number.

It is a super-3 number, since 3×48098123 (a number of 21 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4809811) 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, 3989 + ... + 5052.

It is an arithmetic number, because the mean of its divisors is an integer number (421960).

Almost surely, 24809812 is an apocalyptic number.

It is an amenable number.

4809812 is an abundant number, since it is smaller than the sum of its proper divisors (5317228).

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

4809812 is a wasteful number, since it uses less digits than its factorization.

4809812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9071 (or 9069 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 4809812 is about 2193.1283592166. The cubic root of 4809812 is about 168.8013959589.

The spelling of 4809812 in words is "four million, eight hundred nine thousand, eight hundred twelve".

Divisors: 1 2 4 7 14 19 28 38 76 133 266 532 9041 18082 36164 63287 126574 171779 253148 343558 687116 1202453 2404906 4809812