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2243858490 = 2335471511171
BaseRepresentation
bin1000010110111110…
…1001000000111010
312210101012211012000
42011233221000322
514043411432430
61010353401430
7106414324326
oct20557510072
95711184160
102243858490
11a51666105
12527569276
13299b49523
14174016986
15d1ed1e60
hex85be903a

2243858490 has 128 divisors (see below), whose sum is σ = 6156656640. Its totient is φ = 581256000.

The previous prime is 2243858483. The next prime is 2243858527. The reversal of 2243858490 is 948583422.

2243858490 is a `hidden beast` number, since 22 + 43 + 8 + 584 + 9 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1915605 + ... + 1916775.

It is an arithmetic number, because the mean of its divisors is an integer number (48098880).

Almost surely, 22243858490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2243858490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3078328320).

2243858490 is an abundant number, since it is smaller than the sum of its proper divisors (3912798150).

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

2243858490 is a wasteful number, since it uses less digits than its factorization.

2243858490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1385 (or 1379 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The square root of 2243858490 is about 47369.3834665388. The cubic root of 2243858490 is about 1309.1773655416.

The spelling of 2243858490 in words is "two billion, two hundred forty-three million, eight hundred fifty-eight thousand, four hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 47 54 90 94 135 141 151 235 270 282 302 423 453 470 705 755 846 906 1171 1269 1359 1410 1510 2115 2265 2342 2538 2718 3513 4077 4230 4530 5855 6345 6795 7026 7097 8154 10539 11710 12690 13590 14194 17565 20385 21078 21291 31617 35130 35485 40770 42582 52695 55037 63234 63873 70970 105390 106455 110074 127746 158085 165111 176821 191619 212910 275185 316170 319365 330222 353642 383238 495333 530463 550370 638730 825555 884105 958095 990666 1060926 1485999 1591389 1651110 1768210 1916190 2476665 2652315 2971998 3182778 4774167 4953330 5304630 7429995 7956945 8310587 9548334 14859990 15913890 16621174 23870835 24931761 41552935 47741670 49863522 74795283 83105870 124658805 149590566 224385849 249317610 373976415 448771698 747952830 1121929245 2243858490