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2287216448 = 261117223857
BaseRepresentation
bin1000100001010100…
…0010011101000000
312220101210122010022
42020111002131000
514141011411243
61014542553012
7110452006346
oct21025023500
95811718108
102287216448
11a7408a630
12539b98768
132a5b1a61a
14179aa1996
15d5be8b68
hex88542740

2287216448 has 112 divisors (see below), whose sum is σ = 5272210944. Its totient is φ = 972963840.

The previous prime is 2287216427. The next prime is 2287216517. The reversal of 2287216448 is 8446127822.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 2287216399 and 2287216408.

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, 2668436 + ... + 2669292.

It is an arithmetic number, because the mean of its divisors is an integer number (47073312).

Almost surely, 22287216448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2287216448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2636105472).

2287216448 is an abundant number, since it is smaller than the sum of its proper divisors (2984994496).

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

2287216448 is a wasteful number, since it uses less digits than its factorization.

2287216448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120 (or 1110 counting only the distinct ones).

The product of its digits is 344064, while the sum is 44.

The square root of 2287216448 is about 47824.8517823108. The cubic root of 2287216448 is about 1317.5560164712.

The spelling of 2287216448 in words is "two billion, two hundred eighty-seven million, two hundred sixteen thousand, four hundred forty-eight".

Divisors: 1 2 4 8 11 16 17 22 32 34 44 64 68 88 136 176 187 223 272 352 374 446 544 704 748 857 892 1088 1496 1714 1784 2453 2992 3428 3568 3791 4906 5984 6856 7136 7582 9427 9812 11968 13712 14272 14569 15164 18854 19624 27424 29138 30328 37708 39248 41701 54848 58276 60656 75416 78496 83402 116552 121312 150832 156992 160259 166804 191111 233104 242624 301664 320518 333608 382222 466208 603328 641036 667216 764444 932416 1282072 1334432 1528888 2102221 2564144 2668864 3057776 3248887 4204442 5128288 6115552 6497774 8408884 10256576 12231104 12995548 16817768 25991096 33635536 35737757 51982192 67271072 71475514 103964384 134542144 142951028 207928768 285902056 571804112 1143608224 2287216448