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214601920 = 2651379653
BaseRepresentation
bin11001100101010…
…01000011000000
3112221210220111021
430302221003000
5414414230140
633143355224
75214041401
oct1462510300
9487726437
10214601920
11100156665
125ba52b14
13355ca6b0
14207039a8
1513c90b4a
hexcca90c0

214601920 has 112 divisors (see below), whose sum is σ = 558149760. Its totient is φ = 78114816.

The previous prime is 214601899. The next prime is 214601921. The reversal of 214601920 is 29106412.

It is not an unprimeable number, because it can be changed into a prime (214601921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 328314 + ... + 328966.

It is an arithmetic number, because the mean of its divisors is an integer number (4983480).

Almost surely, 2214601920 is an apocalyptic number.

214601920 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 214601920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279074880).

214601920 is an abundant number, since it is smaller than the sum of its proper divisors (343547840).

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

214601920 is a wasteful number, since it uses less digits than its factorization.

214601920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762 (or 752 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 214601920 is about 14649.2975940828. The cubic root of 214601920 is about 598.7026784311.

The spelling of 214601920 in words is "two hundred fourteen million, six hundred one thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 13 16 20 26 32 40 52 64 65 79 80 104 130 158 160 208 260 316 320 395 416 520 632 653 790 832 1027 1040 1264 1306 1580 2054 2080 2528 2612 3160 3265 4108 4160 5056 5135 5224 6320 6530 8216 8489 10270 10448 12640 13060 16432 16978 20540 20896 25280 26120 32864 33956 41080 41792 42445 51587 52240 65728 67912 82160 84890 103174 104480 135824 164320 169780 206348 208960 257935 271648 328640 339560 412696 515870 543296 670631 679120 825392 1031740 1341262 1358240 1650784 2063480 2682524 2716480 3301568 3353155 4126960 5365048 6706310 8253920 10730096 13412620 16507840 21460192 26825240 42920384 53650480 107300960 214601920