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1369897386 = 2311213173839
BaseRepresentation
bin101000110100110…
…1111100110101010
310112110200222221020
41101221233212222
510301143204021
6343533353310
745642635634
oct12151574652
93473628836
101369897386
116432a9200
12322938836
1318aa6bb90
14cdd17a54
15803ea7c6
hex51a6f9aa

1369897386 has 96 divisors (see below), whose sum is σ = 3265799040. Its totient is φ = 380519040.

The previous prime is 1369897363. The next prime is 1369897421. The reversal of 1369897386 is 6837989631.

It is a super-3 number, since 3×13698973863 (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1632355 + ... + 1633193.

It is an arithmetic number, because the mean of its divisors is an integer number (34018740).

Almost surely, 21369897386 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1369897386, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1632899520).

1369897386 is an abundant number, since it is smaller than the sum of its proper divisors (1895901654).

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

1369897386 is a wasteful number, since it uses less digits than its factorization.

1369897386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052 (or 1041 counting only the distinct ones).

The product of its digits is 11757312, while the sum is 60.

The square root of 1369897386 is about 37012.1248511890. The cubic root of 1369897386 is about 1110.6128115219.

The spelling of 1369897386 in words is "one billion, three hundred sixty-nine million, eight hundred ninety-seven thousand, three hundred eighty-six".

Divisors: 1 2 3 6 11 13 22 26 33 39 66 78 121 143 173 242 286 346 363 429 519 726 839 858 1038 1573 1678 1903 2249 2517 3146 3806 4498 4719 5034 5709 6747 9229 9438 10907 11418 13494 18458 20933 21814 24739 27687 32721 41866 49478 55374 62799 65442 74217 101519 119977 125598 145147 148434 203038 239954 272129 290294 304557 359931 435441 544258 609114 719862 816387 870882 1319747 1596617 1632774 1886911 2639494 3193234 3773822 3959241 4789851 5660733 7918482 9579702 11321466 17562787 20756021 35125574 41512042 52688361 62268063 105376722 124536126 228316231 456632462 684948693 1369897386