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2494840 = 23597643
BaseRepresentation
bin1001100001000101111000
311200202021111
421201011320
51114313330
6125250104
730130405
oct11410570
94622244
102494840
111454457
12a03934
1369474a
1448d2ac
1534432a
hex261178

2494840 has 32 divisors (see below), whose sum is σ = 5680080. Its totient is φ = 986112.

The previous prime is 2494831. The next prime is 2494847. The reversal of 2494840 is 484942.

2494840 = T333 + T334 + ... + T372.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2494847) 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, 3559 + ... + 4201.

22494840 is an apocalyptic number.

2494840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2494840 is an abundant number, since it is smaller than the sum of its proper divisors (3185240).

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

2494840 is a wasteful number, since it uses less digits than its factorization.

2494840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751 (or 747 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 2494840 is about 1579.5062519661. The cubic root of 2494840 is about 135.6274405473.

It can be divided in two parts, 24 and 94840, that added together give a square (94864 = 3082).

The spelling of 2494840 in words is "two million, four hundred ninety-four thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 20 40 97 194 388 485 643 776 970 1286 1940 2572 3215 3880 5144 6430 12860 25720 62371 124742 249484 311855 498968 623710 1247420 2494840