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2748227540 = 2253741239379
BaseRepresentation
bin1010001111001110…
…1001111111010100
321002112021102110012
42203303221333110
521112021240130
61132412015352
7125050356122
oct24363517724
97075242405
102748227540
111190337033
12648461558
1334a4a1156
141c0dc8912
1511140e995
hexa3ce9fd4

2748227540 has 96 divisors (see below), whose sum is σ = 6113318400. Its totient is φ = 1036385280.

The previous prime is 2748227501. The next prime is 2748227557. The reversal of 2748227540 is 457228472.

It is a super-2 number, since 2×27482275402 = 15105509223228903200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7251071 + ... + 7251449.

It is an arithmetic number, because the mean of its divisors is an integer number (63680400).

Almost surely, 22748227540 is an apocalyptic number.

2748227540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2748227540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3056659200).

2748227540 is an abundant number, since it is smaller than the sum of its proper divisors (3365090860).

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

2748227540 is a wasteful number, since it uses less digits than its factorization.

2748227540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705 (or 703 counting only the distinct ones).

The product of its (nonzero) digits is 250880, while the sum is 41.

The square root of 2748227540 is about 52423.5399415186. The cubic root of 2748227540 is about 1400.7186004770.

The spelling of 2748227540 in words is "two billion, seven hundred forty-eight million, two hundred twenty-seven thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 37 41 74 82 148 164 185 205 239 370 379 410 478 740 758 820 956 1195 1516 1517 1895 2390 3034 3790 4780 6068 7580 7585 8843 9799 14023 15170 15539 17686 19598 28046 30340 31078 35372 39196 44215 48995 56092 62156 70115 77695 88430 90581 97990 140230 155390 176860 181162 195980 280460 310780 362324 362563 452905 574943 725126 905810 1149886 1450252 1811620 1812815 2299772 2874715 3351497 3625630 3713821 5749430 6702994 7251260 7427642 11498860 13405988 14855284 16757485 18569105 33514970 37138210 67029940 74276420 137411377 274822754 549645508 687056885 1374113770 2748227540