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214860 = 22353581
BaseRepresentation
bin110100011101001100
3101220201210
4310131030
523333420
64334420
71553262
oct643514
9356653
10214860
11137478
12a4410
1376a49
1458432
15439e0
hex3474c

214860 has 24 divisors (see below), whose sum is σ = 601776. Its totient is φ = 57280.

The previous prime is 214853. The next prime is 214867. The reversal of 214860 is 68412.

214860 is nontrivially palindromic in base 9.

214860 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (214853) and next prime (214867).

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (214867) by changing a digit.

214860 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1731 + ... + 1850.

It is an arithmetic number, because the mean of its divisors is an integer number (25074).

2214860 is an apocalyptic number.

214860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214860 is an abundant number, since it is smaller than the sum of its proper divisors (386916).

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

214860 is a wasteful number, since it uses less digits than its factorization.

214860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3593 (or 3591 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 214860 is about 463.5299343085. The cubic root of 214860 is about 59.8942581984.

The spelling of 214860 in words is "two hundred fourteen thousand, eight hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 3581 7162 10743 14324 17905 21486 35810 42972 53715 71620 107430 214860