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214928320 = 265671651
BaseRepresentation
bin11001100111110…
…00101111000000
3112222102111020011
430303320233000
5420010201240
633154354304
75216601115
oct1463705700
9488374204
10214928320
11100359912
125bb8b994
13356b3129
142078a90c
1513d076ea
hexccf8bc0

214928320 has 28 divisors (see below), whose sum is σ = 511798824. Its totient is φ = 85971200.

The previous prime is 214928293. The next prime is 214928339. The reversal of 214928320 is 23829412.

214928320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335506 + ... + 336145.

Almost surely, 2214928320 is an apocalyptic number.

214928320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214928320 is an abundant number, since it is smaller than the sum of its proper divisors (296870504).

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

214928320 is an equidigital number, since it uses as much as digits as its factorization.

214928320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671668 (or 671658 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 214928320 is about 14660.4338271417. The cubic root of 214928320 is about 599.0060580787.

The spelling of 214928320 in words is "two hundred fourteen million, nine hundred twenty-eight thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 320 671651 1343302 2686604 3358255 5373208 6716510 10746416 13433020 21492832 26866040 42985664 53732080 107464160 214928320