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30198714 = 23713194171
BaseRepresentation
bin111001100110…
…0101110111010
32002211020211220
41303030232322
530212324324
62555132510
7514453620
oct163145672
962736756
1030198714
1116056817
12a144136
136344580
144021510
1529b7b79
hex1cccbba

30198714 has 128 divisors (see below), whose sum is σ = 81285120. Its totient is φ = 7257600.

The previous prime is 30198703. The next prime is 30198731. The reversal of 30198714 is 41789103.

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, 425299 + ... + 425369.

It is an arithmetic number, because the mean of its divisors is an integer number (635040).

Almost surely, 230198714 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30198714, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40642560).

30198714 is an abundant number, since it is smaller than the sum of its proper divisors (51086406).

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

30198714 is a wasteful number, since it uses less digits than its factorization.

30198714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 30198714 is about 5495.3356585381. The cubic root of 30198714 is about 311.4077976011.

The spelling of 30198714 in words is "thirty million, one hundred ninety-eight thousand, seven hundred fourteen".

Divisors: 1 2 3 6 7 13 14 19 21 26 38 39 41 42 57 71 78 82 91 114 123 133 142 182 213 246 247 266 273 287 399 426 494 497 533 546 574 741 779 798 861 923 994 1066 1349 1482 1491 1558 1599 1722 1729 1846 2337 2698 2769 2911 2982 3198 3458 3731 4047 4674 5187 5453 5538 5822 6461 7462 8094 8733 9443 10127 10374 10906 11193 12922 16359 17466 17537 18886 19383 20254 20377 22386 28329 30381 32718 35074 37843 38766 40754 52611 55309 56658 60762 61131 70889 75686 105222 110618 113529 122262 122759 141778 165927 212667 227058 245518 264901 331854 368277 387163 425334 529802 719017 736554 774326 794703 1161489 1438034 1589406 2157051 2322978 4314102 5033119 10066238 15099357 30198714