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2544379140 = 2235231843753
BaseRepresentation
bin1001011110101000…
…0010010100000100
320120022200212000110
42113222002110010
520202330113030
61100250513020
7120023602662
oct22752022404
96508625013
102544379140
111096265786
125b0135770
1331719a2b4
141a1cc3c32
15ed5951b0
hex97a82504

2544379140 has 48 divisors (see below), whose sum is σ = 7434016128. Its totient is φ = 649000704.

The previous prime is 2544379139. The next prime is 2544379141. The reversal of 2544379140 is 419734452.

It is an interprime number because it is at equal distance from previous prime (2544379139) and next prime (2544379141).

It is a super-3 number, since 3×25443791403 (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2544379141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 920497 + ... + 923256.

It is an arithmetic number, because the mean of its divisors is an integer number (154875336).

Almost surely, 22544379140 is an apocalyptic number.

2544379140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2544379140 is an abundant number, since it is smaller than the sum of its proper divisors (4889636988).

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

2544379140 is a wasteful number, since it uses less digits than its factorization.

2544379140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1843788 (or 1843786 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 2544379140 is about 50441.8391813780. The cubic root of 2544379140 is about 1365.1926521681.

The spelling of 2544379140 in words is "two billion, five hundred forty-four million, three hundred seventy-nine thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 23 30 46 60 69 92 115 138 230 276 345 460 690 1380 1843753 3687506 5531259 7375012 9218765 11062518 18437530 22125036 27656295 36875060 42406319 55312590 84812638 110625180 127218957 169625276 212031595 254437914 424063190 508875828 636094785 848126380 1272189570 2544379140