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2544940 = 225127247
BaseRepresentation
bin1001101101010100101100
311210022000001
421231110230
51122414230
6130314044
730426436
oct11552454
94708001
102544940
111489062
12a28924
136b14a8
144a3656
153540ca
hex26d52c

2544940 has 12 divisors (see below), whose sum is σ = 5344416. Its totient is φ = 1017968.

The previous prime is 2544931. The next prime is 2544943. The reversal of 2544940 is 494452.

2544940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2544899 and 2544908.

It is not an unprimeable number, because it can be changed into a prime (2544943) 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, 63604 + ... + 63643.

It is an arithmetic number, because the mean of its divisors is an integer number (445368).

22544940 is an apocalyptic number.

2544940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2544940 is an abundant number, since it is smaller than the sum of its proper divisors (2799476).

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

2544940 is a wasteful number, since it uses less digits than its factorization.

2544940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127256 (or 127254 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 2544940 is about 1595.2868080693. The cubic root of 2544940 is about 136.5292955052.

The spelling of 2544940 in words is "two million, five hundred forty-four thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 127247 254494 508988 636235 1272470 2544940