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2424820 = 225313911
BaseRepresentation
bin1001001111111111110100
311120012020011
421033333310
51110043240
6123550004
726416306
oct11177764
94505204
102424820
111406892
1298b304
1366b908
14471976
1532d6ea
hex24fff4

2424820 has 24 divisors (see below), whose sum is σ = 5257728. Its totient is φ = 938400.

The previous prime is 2424809. The next prime is 2424823. The reversal of 2424820 is 284242.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2424791 and 2424800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2424823) 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, 1336 + ... + 2575.

It is an arithmetic number, because the mean of its divisors is an integer number (219072).

22424820 is an apocalyptic number.

2424820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2424820 is an abundant number, since it is smaller than the sum of its proper divisors (2832908).

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

2424820 is a wasteful number, since it uses less digits than its factorization.

2424820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3951 (or 3949 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 2424820 is about 1557.1833546503. The cubic root of 2424820 is about 134.3465449032.

The spelling of 2424820 in words is "two million, four hundred twenty-four thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 3911 7822 15644 19555 39110 78220 121241 242482 484964 606205 1212410 2424820