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511379968 = 29112931101
BaseRepresentation
bin11110011110110…
…000101000000000
31022122020210102211
4132132300220000
52021403124333
6122424351504
715446441461
oct3636605000
91278223384
10511379968
1124272a380
12123315594
1381c3aac8
144bcb8d68
152ed64ecd
hex1e7b0a00

511379968 has 160 divisors (see below), whose sum is σ = 1202065920. Its totient is φ = 215040000.

The previous prime is 511379917. The next prime is 511379969. The reversal of 511379968 is 869973115.

It is not an unprimeable number, because it can be changed into a prime (511379969) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5063118 + ... + 5063218.

It is an arithmetic number, because the mean of its divisors is an integer number (7512912).

Almost surely, 2511379968 is an apocalyptic number.

511379968 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 511379968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (601032960).

511379968 is an abundant number, since it is smaller than the sum of its proper divisors (690685952).

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

511379968 is a wasteful number, since it uses less digits than its factorization.

511379968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190 (or 174 counting only the distinct ones).

The product of its digits is 408240, while the sum is 49.

The square root of 511379968 is about 22613.7119465160. The cubic root of 511379968 is about 799.6769362215.

The spelling of 511379968 in words is "five hundred eleven million, three hundred seventy-nine thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 11 16 22 29 31 32 44 58 62 64 88 101 116 124 128 176 202 232 248 256 319 341 352 404 464 496 512 638 682 704 808 899 928 992 1111 1276 1364 1408 1616 1798 1856 1984 2222 2552 2728 2816 2929 3131 3232 3596 3712 3968 4444 5104 5456 5632 5858 6262 6464 7192 7424 7936 8888 9889 10208 10912 11716 12524 12928 14384 14848 15872 17776 19778 20416 21824 23432 25048 25856 28768 32219 34441 35552 39556 40832 43648 46864 50096 51712 57536 64438 68882 71104 79112 81664 87296 90799 93728 100192 115072 128876 137764 142208 158224 163328 174592 181598 187456 200384 230144 257752 275528 284416 316448 363196 374912 400768 460288 515504 551056 568832 632896 726392 749824 801536 998789 1031008 1102112 1265792 1452784 1499648 1603072 1997578 2062016 2204224 2531584 2905568 3995156 4124032 4408448 5063168 5811136 7990312 8248064 8816896 11622272 15980624 16496128 17633792 23244544 31961248 46489088 63922496 127844992 255689984 511379968