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211814304 = 25313891907
BaseRepresentation
bin11001010000000…
…00011110100000
3112202120021121020
430220000132200
5413211024204
633003525440
75151251262
oct1450003640
9482507536
10211814304
11a9622249
125ab29880
1334b62910
14201b9b32
15138debd9
hexca007a0

211814304 has 96 divisors (see below), whose sum is σ = 605828160. Its totient is φ = 64407552.

The previous prime is 211814243. The next prime is 211814327. The reversal of 211814304 is 403418112.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110119 + ... + 112025.

It is an arithmetic number, because the mean of its divisors is an integer number (6310710).

Almost surely, 2211814304 is an apocalyptic number.

211814304 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 211814304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (302914080).

211814304 is an abundant number, since it is smaller than the sum of its proper divisors (394013856).

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

211814304 is a wasteful number, since it uses less digits than its factorization.

211814304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2022 (or 2014 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 211814304 is about 14553.8415547236. The cubic root of 211814304 is about 596.0990481452.

The spelling of 211814304 in words is "two hundred eleven million, eight hundred fourteen thousand, three hundred four".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 78 89 96 104 156 178 208 267 312 356 416 534 624 712 1068 1157 1248 1424 1907 2136 2314 2848 3471 3814 4272 4628 5721 6942 7628 8544 9256 11442 13884 15256 18512 22884 24791 27768 30512 37024 45768 49582 55536 61024 74373 91536 99164 111072 148746 169723 183072 198328 297492 339446 396656 509169 594984 678892 793312 1018338 1189968 1357784 2036676 2206399 2379936 2715568 4073352 4412798 5431136 6619197 8146704 8825596 13238394 16293408 17651192 26476788 35302384 52953576 70604768 105907152 211814304