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80068824 = 23341147239
BaseRepresentation
bin1001100010111…
…00000011011000
312120122220210000
410301130003120
5130444200244
611540053000
71661400543
oct461340330
9176586700
1080068824
1141218990
1222994160
1313785804
14a8c385a
157069169
hex4c5c0d8

80068824 has 160 divisors (see below), whose sum is σ = 250905600. Its totient is φ = 23647680.

The previous prime is 80068817. The next prime is 80068837. The reversal of 80068824 is 42886008.

It is a super-2 number, since 2×800688242 = 12822033153485952, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 334897 + ... + 335135.

It is an arithmetic number, because the mean of its divisors is an integer number (1568160).

Almost surely, 280068824 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80068824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125452800).

80068824 is an abundant number, since it is smaller than the sum of its proper divisors (170836776).

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

80068824 is a wasteful number, since it uses less digits than its factorization.

80068824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315 (or 302 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 80068824 is about 8948.1184614420. The cubic root of 80068824 is about 431.0104666002.

The spelling of 80068824 in words is "eighty million, sixty-eight thousand, eight hundred twenty-four".

Divisors: 1 2 3 4 6 8 9 11 12 18 22 24 27 33 36 44 47 54 66 72 81 88 94 99 108 132 141 162 188 198 216 239 264 282 297 324 376 396 423 478 517 564 594 648 717 792 846 891 956 1034 1128 1188 1269 1434 1551 1692 1782 1912 2068 2151 2376 2538 2629 2868 3102 3384 3564 3807 4136 4302 4653 5076 5258 5736 6204 6453 7128 7614 7887 8604 9306 10152 10516 11233 12408 12906 13959 15228 15774 17208 18612 19359 21032 22466 23661 25812 27918 30456 31548 33699 37224 38718 41877 44932 47322 51624 55836 63096 67398 70983 77436 83754 89864 94644 101097 111672 123563 134796 141966 154872 167508 189288 202194 212949 247126 269592 283932 303291 335016 370689 404388 425898 494252 567864 606582 741378 808776 851796 909873 988504 1112067 1213164 1482756 1703592 1819746 2224134 2426328 2965512 3336201 3639492 4448268 6672402 7278984 8896536 10008603 13344804 20017206 26689608 40034412 80068824