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12057080 = 2357172149
BaseRepresentation
bin101101111111…
…100111111000
3211200120012112
4231333213320
511041311310
61110231452
7204324560
oct55774770
924616175
1012057080
116895732
124055588
132661c89
14185bda0
1510d2705
hexb7f9f8

12057080 has 96 divisors (see below), whose sum is σ = 33156000. Its totient is φ = 3864576.

The previous prime is 12057053. The next prime is 12057091. The reversal of 12057080 is 8075021.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 80846 + ... + 80994.

It is an arithmetic number, because the mean of its divisors is an integer number (345375).

Almost surely, 212057080 is an apocalyptic number.

12057080 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 12057080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16578000).

12057080 is an abundant number, since it is smaller than the sum of its proper divisors (21098920).

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

12057080 is a wasteful number, since it uses less digits than its factorization.

12057080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 23.

The square root of 12057080 is about 3472.3306294188. The cubic root of 12057080 is about 229.3052760730.

The spelling of 12057080 in words is "twelve million, fifty-seven thousand, eighty".

Divisors: 1 2 4 5 7 8 10 14 17 20 28 34 35 40 56 68 70 85 119 136 140 149 170 238 280 289 298 340 476 578 595 596 680 745 952 1043 1156 1190 1192 1445 1490 2023 2086 2312 2380 2533 2890 2980 4046 4172 4760 5066 5215 5780 5960 8092 8344 10115 10132 10430 11560 12665 16184 17731 20230 20264 20860 25330 35462 40460 41720 43061 50660 70924 80920 86122 88655 101320 141848 172244 177310 215305 301427 344488 354620 430610 602854 709240 861220 1205708 1507135 1722440 2411416 3014270 6028540 12057080