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214858080 = 25325197853
BaseRepresentation
bin11001100111001…
…11100101100000
3112222021220212200
430303213211200
5420000424310
633153053200
75216156253
oct1463474540
9488256780
10214858080
11100311068
125bb57200
133568a178
142076d09a
1513ce19c0
hexcce7960

214858080 has 144 divisors (see below), whose sum is σ = 771891120. Its totient is φ = 54273024.

The previous prime is 214858073. The next prime is 214858123. The reversal of 214858080 is 80858412.

214858080 is a `hidden beast` number, since 21 + 485 + 80 + 80 = 666.

214858080 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (144).

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 polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23434 + ... + 31286.

It is an arithmetic number, because the mean of its divisors is an integer number (5360355).

Almost surely, 2214858080 is an apocalyptic number.

214858080 is a gapful number since it is divisible by the number (20) 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 214858080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (385945560).

214858080 is an abundant number, since it is smaller than the sum of its proper divisors (557033040).

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

214858080 is a wasteful number, since it uses less digits than its factorization.

214858080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7893 (or 7882 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 36.

The square root of 214858080 is about 14658.0380678998. The cubic root of 214858080 is about 598.9407979186.

The spelling of 214858080 in words is "two hundred fourteen million, eight hundred fifty-eight thousand, eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 19 20 24 30 32 36 38 40 45 48 57 60 72 76 80 90 95 96 114 120 144 152 160 171 180 190 228 240 285 288 304 342 360 380 456 480 570 608 684 720 760 855 912 1140 1368 1440 1520 1710 1824 2280 2736 3040 3420 4560 5472 6840 7853 9120 13680 15706 23559 27360 31412 39265 47118 62824 70677 78530 94236 117795 125648 141354 149207 157060 188472 235590 251296 282708 298414 314120 353385 376944 447621 471180 565416 596828 628240 706770 746035 753888 895242 942360 1130832 1193656 1256480 1342863 1413540 1492070 1790484 1884720 2238105 2261664 2387312 2685726 2827080 2984140 3580968 3769440 4476210 4774624 5371452 5654160 5968280 6714315 7161936 8952420 10742904 11308320 11936560 13428630 14323872 17904840 21485808 23873120 26857260 35809680 42971616 53714520 71619360 107429040 214858080