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214412400 = 24335219853
BaseRepresentation
bin11001100011110…
…10110001110000
3112221110021112000
430301322301300
5414342144100
633135334000
75212322016
oct1461726160
9487407460
10214412400
11100037234
125b981300
1335562357
14206948b6
1513c54900
hexcc7ac70

214412400 has 120 divisors (see below), whose sum is σ = 763187760. Its totient is φ = 57173760.

The previous prime is 214412339. The next prime is 214412423. The reversal of 214412400 is 4214412.

214412400 is a `hidden beast` number, since 214 + 412 + 40 + 0 = 666.

214412400 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 (120).

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

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, 874 + ... + 20726.

It is an arithmetic number, because the mean of its divisors is an integer number (6359898).

Almost surely, 2214412400 is an apocalyptic number.

214412400 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 214412400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (381593880).

214412400 is an abundant number, since it is smaller than the sum of its proper divisors (548775360).

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

214412400 is a wasteful number, since it uses less digits than its factorization.

214412400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19880 (or 19863 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 214412400 is about 14642.8275957890. The cubic root of 214412400 is about 598.5263837214.

Adding to 214412400 its reverse (4214412), we get a palindrome (218626812).

The spelling of 214412400 in words is "two hundred fourteen million, four hundred twelve thousand, four hundred".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 27 30 36 40 45 48 50 54 60 72 75 80 90 100 108 120 135 144 150 180 200 216 225 240 270 300 360 400 432 450 540 600 675 720 900 1080 1200 1350 1800 2160 2700 3600 5400 10800 19853 39706 59559 79412 99265 119118 158824 178677 198530 238236 297795 317648 357354 397060 476472 496325 536031 595590 714708 794120 893385 952944 992650 1072062 1191180 1429416 1488975 1588240 1786770 1985300 2144124 2382360 2680155 2858832 2977950 3573540 3970600 4288248 4466925 4764720 5360310 5955900 7147080 7941200 8576496 8933850 10720620 11911800 13400775 14294160 17867700 21441240 23823600 26801550 35735400 42882480 53603100 71470800 107206200 214412400