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2745227320 = 23511173111839
BaseRepresentation
bin1010001110100000…
…1101100000111000
321002022121222220221
42203220031200320
521110234233240
61132223425424
7125013022123
oct24350154070
97068558827
102745227320
111189677a10
12647455274
13349990684
141c08473ba
1511101aa4a
hexa3a0d838

2745227320 has 128 divisors (see below), whose sum is σ = 7365427200. Its totient is φ = 909158400.

The previous prime is 2745227281. The next prime is 2745227333. The reversal of 2745227320 is 237225472.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 225961 + ... + 237799.

It is an arithmetic number, because the mean of its divisors is an integer number (57542400).

Almost surely, 22745227320 is an apocalyptic number.

2745227320 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 2745227320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3682713600).

2745227320 is an abundant number, since it is smaller than the sum of its proper divisors (4620199880).

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

2745227320 is a wasteful number, since it uses less digits than its factorization.

2745227320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11909 (or 11905 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 34.

The square root of 2745227320 is about 52394.9169290304. The cubic root of 2745227320 is about 1400.2086967794.

The spelling of 2745227320 in words is "two billion, seven hundred forty-five million, two hundred twenty-seven thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 11 17 20 22 31 34 40 44 55 62 68 85 88 110 124 136 155 170 187 220 248 310 340 341 374 440 527 620 680 682 748 935 1054 1240 1364 1496 1705 1870 2108 2635 2728 3410 3740 4216 5270 5797 6820 7480 10540 11594 11839 13640 21080 23188 23678 28985 46376 47356 57970 59195 94712 115940 118390 130229 201263 231880 236780 260458 367009 402526 473560 520916 651145 734018 805052 1006315 1041832 1302290 1468036 1610104 1835045 2012630 2213893 2604580 2936072 3670090 4025260 4037099 4427786 5209160 6239153 7340180 8050520 8074198 8855572 11069465 12478306 14680360 16148396 17711144 20185495 22138930 24956612 31195765 32296792 40370990 44277860 49913224 62391530 68630683 80741980 88555720 124783060 137261366 161483960 249566120 274522732 343153415 549045464 686306830 1372613660 2745227320