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299228985 = 3651117439
BaseRepresentation
bin10001110101011…
…101111100111001
3202212001102000000
4101311131330321
51103100311420
645405303213
710262255466
oct2165357471
9685042000
10299228985
111439a8190
1284264b09
1349cbab93
142ba5266d
151b40a690
hex11d5df39

299228985 has 112 divisors (see below), whose sum is σ = 623272320. Its totient is φ = 136235520.

The previous prime is 299228983. The next prime is 299228987. The reversal of 299228985 is 589822992.

It is an interprime number because it is at equal distance from previous prime (299228983) and next prime (299228987).

It is not a de Polignac number, because 299228985 - 21 = 299228983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (299228983) by changing a digit.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 681396 + ... + 681834.

Almost surely, 2299228985 is an apocalyptic number.

It is an amenable number.

299228985 is an abundant number, since it is smaller than the sum of its proper divisors (324043335).

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

299228985 is a wasteful number, since it uses less digits than its factorization.

299228985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490 (or 475 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 54.

The square root of 299228985 is about 17298.2364708082. The cubic root of 299228985 is about 668.8589660273.

The spelling of 299228985 in words is "two hundred ninety-nine million, two hundred twenty-eight thousand, nine hundred eighty-five".

Divisors: 1 3 5 9 11 15 17 27 33 45 51 55 81 85 99 135 153 165 187 243 255 297 405 439 459 495 561 729 765 891 935 1215 1317 1377 1485 1683 2195 2295 2673 2805 3645 3951 4131 4455 4829 5049 6585 6885 7463 8019 8415 11853 12393 13365 14487 15147 19755 20655 22389 24145 25245 35559 37315 40095 43461 45441 59265 61965 67167 72435 75735 82093 106677 111945 130383 136323 177795 201501 217305 227205 246279 320031 335835 391149 410465 533385 604503 651915 681615 738837 1007505 1173447 1231395 1600155 1813509 1955745 2216511 3022515 3520341 3694185 5440527 5867235 6649533 9067545 11082555 17601705 19948599 27202635 33247665 59845797 99742995 299228985