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2725479380 = 2251372714419
BaseRepresentation
bin1010001001110011…
…1000001111010100
321000221110200211202
42202130320033110
521040210320010
61130240252032
7124353123011
oct24234701724
97027420752
102725479380
111179509aa8
12640911018
13345867bc0
141bbd86708
1510e4196a5
hexa27383d4

2725479380 has 48 divisors (see below), whose sum is σ = 6172682880. Its totient is φ = 1004876928.

The previous prime is 2725479353. The next prime is 2725479397. The reversal of 2725479380 is 839745272.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181811 + ... + 196229.

It is an arithmetic number, because the mean of its divisors is an integer number (128597560).

Almost surely, 22725479380 is an apocalyptic number.

2725479380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2725479380 is an abundant number, since it is smaller than the sum of its proper divisors (3447203500).

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

2725479380 is a wasteful number, since it uses less digits than its factorization.

2725479380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15168 (or 15166 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 47.

The square root of 2725479380 is about 52206.1239702777. The cubic root of 2725479380 is about 1396.8431215576.

The spelling of 2725479380 in words is "two billion, seven hundred twenty-five million, four hundred seventy-nine thousand, three hundred eighty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 727 1454 2908 3635 7270 9451 14419 14540 18902 28838 37804 47255 57676 72095 94510 144190 187447 189020 288380 374894 749788 937235 1874470 3748940 10482613 20965226 41930452 52413065 104826130 136273969 209652260 272547938 545095876 681369845 1362739690 2725479380