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2574940 = 225128747
BaseRepresentation
bin1001110100101001011100
311211211011011
421310221130
51124344230
6131105004
730613054
oct11645134
94754134
102574940
1114a9655
12a42164
136c2044
144b0564
1535ce2a
hex274a5c

2574940 has 12 divisors (see below), whose sum is σ = 5407416. Its totient is φ = 1029968.

The previous prime is 2574917. The next prime is 2574947. The reversal of 2574940 is 494752.

2574940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2574947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64354 + ... + 64393.

It is an arithmetic number, because the mean of its divisors is an integer number (450618).

22574940 is an apocalyptic number.

2574940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2574940 is an abundant number, since it is smaller than the sum of its proper divisors (2832476).

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

2574940 is a wasteful number, since it uses less digits than its factorization.

2574940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128756 (or 128754 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 2574940 is about 1604.6619581706. The cubic root of 2574940 is about 137.0636747359.

The spelling of 2574940 in words is "two million, five hundred seventy-four thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 128747 257494 514988 643735 1287470 2574940