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105004080 = 24335173281
BaseRepresentation
bin1100100001000…
…11110000110000
321022120202112000
412100203300300
5203340112310
614230334000
72413343226
oct620436060
9238522460
10105004080
11542aa135
122b1ba300
13189a63bc
14dd34b16
1593424c0
hex6423c30

105004080 has 160 divisors (see below), whose sum is σ = 365065920. Its totient is φ = 27740160.

The previous prime is 105004043. The next prime is 105004091. The reversal of 105004080 is 80400501.

It is a super-2 number, since 2×1050040802 = 22051713633292800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 373540 + ... + 373820.

It is an arithmetic number, because the mean of its divisors is an integer number (2281662).

Almost surely, 2105004080 is an apocalyptic number.

105004080 is a gapful number since it is divisible by the number (10) 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 105004080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182532960).

105004080 is an abundant number, since it is smaller than the sum of its proper divisors (260061840).

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

105004080 is a wasteful number, since it uses less digits than its factorization.

105004080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476 (or 464 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 105004080 is about 10247.1498476406. The cubic root of 105004080 is about 471.7755084895.

Adding to 105004080 its reverse (80400501), we get a palindrome (185404581).

The spelling of 105004080 in words is "one hundred five million, four thousand, eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 36 40 45 48 54 60 72 80 90 108 120 135 144 173 180 216 240 270 281 346 360 432 519 540 562 692 720 843 865 1038 1080 1124 1384 1405 1557 1686 1730 2076 2160 2248 2529 2595 2768 2810 3114 3372 3460 4152 4215 4496 4671 5058 5190 5620 6228 6744 6920 7587 7785 8304 8430 9342 10116 10380 11240 12456 12645 13488 13840 15174 15570 16860 18684 20232 20760 22480 23355 24912 25290 30348 31140 33720 37368 37935 40464 41520 46710 48613 50580 60696 62280 67440 74736 75870 93420 97226 101160 121392 124560 145839 151740 186840 194452 202320 243065 291678 303480 373680 388904 437517 486130 583356 606960 729195 777808 875034 972260 1166712 1312551 1458390 1750068 1944520 2187585 2333424 2625102 2916780 3500136 3889040 4375170 5250204 5833560 6562755 7000272 8750340 10500408 11667120 13125510 17500680 21000816 26251020 35001360 52502040 105004080