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214804224 = 28361151
BaseRepresentation
bin11001100110110…
…10011100000000
3112222012012000000
430303122130000
5414442213344
633152000000
75215543245
oct1463323400
9488165000
10214804224
11100284658
125bb30000
133566b7bb
14207575cc
1513cd0a69
hexccda700

214804224 has 126 divisors (see below), whose sum is σ = 643418496. Its totient is φ = 71539200.

The previous prime is 214804217. The next prime is 214804243. The reversal of 214804224 is 422408412.

It is a super-2 number, since 2×2148042242 = 92281709296484352, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 186049 + ... + 187199.

It is an arithmetic number, because the mean of its divisors is an integer number (5106496).

Almost surely, 2214804224 is an apocalyptic number.

214804224 is a gapful number since it is divisible by the number (24) 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 214804224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (321709248).

214804224 is an abundant number, since it is smaller than the sum of its proper divisors (428614272).

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

214804224 is an frugal number, since it uses more digits than its factorization.

214804224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1185 (or 1156 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

The square root of 214804224 is about 14656.2008719859. The cubic root of 214804224 is about 598.8907505398.

The spelling of 214804224 in words is "two hundred fourteen million, eight hundred four thousand, two hundred twenty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 81 96 108 128 144 162 192 216 243 256 288 324 384 432 486 576 648 729 768 864 972 1151 1152 1296 1458 1728 1944 2302 2304 2592 2916 3453 3456 3888 4604 5184 5832 6906 6912 7776 9208 10359 10368 11664 13812 15552 18416 20718 20736 23328 27624 31077 31104 36832 41436 46656 55248 62154 62208 73664 82872 93231 93312 110496 124308 147328 165744 186462 186624 220992 248616 279693 294656 331488 372924 441984 497232 559386 662976 745848 839079 883968 994464 1118772 1325952 1491696 1678158 1988928 2237544 2651904 2983392 3356316 3977856 4475088 5966784 6712632 7955712 8950176 11933568 13425264 17900352 23867136 26850528 35800704 53701056 71601408 107402112 214804224