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2494820 = 225791579
BaseRepresentation
bin1001100001000101100100
311200202020202
421201011210
51114313240
6125250032
730130346
oct11410544
94622222
102494820
111454439
12a03918
13694733
1448d296
15344315
hex261164

2494820 has 24 divisors (see below), whose sum is σ = 5308800. Its totient is φ = 984672.

The previous prime is 2494819. The next prime is 2494823. The reversal of 2494820 is 284942.

It is not an unprimeable number, because it can be changed into a prime (2494823) 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, 791 + ... + 2369.

It is an arithmetic number, because the mean of its divisors is an integer number (221200).

22494820 is an apocalyptic number.

2494820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is a pronic number, being equal to 1579×1580.

It is an amenable number.

2494820 is an abundant number, since it is smaller than the sum of its proper divisors (2813980).

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

2494820 is a wasteful number, since it uses less digits than its factorization.

2494820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1667 (or 1665 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 2494820 is about 1579.4999208610. The cubic root of 2494820 is about 135.6270781251.

The spelling of 2494820 in words is "two million, four hundred ninety-four thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 79 158 316 395 790 1579 1580 3158 6316 7895 15790 31580 124741 249482 498964 623705 1247410 2494820