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2466820 = 225123341
BaseRepresentation
bin1001011010010000000100
311122022211201
421122100010
51112414240
6124512244
726652616
oct11322004
94568751
102466820
1114353a4
129ab684
13684a75
14482db6
1533ad9a
hex25a404

2466820 has 12 divisors (see below), whose sum is σ = 5180364. Its totient is φ = 986720.

The previous prime is 2466803. The next prime is 2466829. The reversal of 2466820 is 286642.

It can be written as a sum of positive squares in 2 ways, for example, as 1800964 + 665856 = 1342^2 + 816^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2466829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61651 + ... + 61690.

It is an arithmetic number, because the mean of its divisors is an integer number (431697).

22466820 is an apocalyptic number.

2466820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2466820 is an abundant number, since it is smaller than the sum of its proper divisors (2713544).

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

2466820 is a wasteful number, since it uses less digits than its factorization.

2466820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123350 (or 123348 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 2466820 is about 1570.6113459414. The cubic root of 2466820 is about 135.1177755935.

The spelling of 2466820 in words is "two million, four hundred sixty-six thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 123341 246682 493364 616705 1233410 2466820