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214838 = 2138263
BaseRepresentation
bin110100011100110110
3101220200222
4310130312
523333323
64334342
71553231
oct643466
9356628
10214838
11137458
12a43b2
1376a30
1458418
15439c8
hex34736

214838 has 8 divisors (see below), whose sum is σ = 347088. Its totient is φ = 99144.

The previous prime is 214831. The next prime is 214849. The reversal of 214838 is 838412.

214838 = 372 + 382 + ... + 882.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 8263 = 214838 / (2 + 1 + 4 + 8 + 3 + 8).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4106 + ... + 4157.

It is an arithmetic number, because the mean of its divisors is an integer number (43386).

2214838 is an apocalyptic number.

214838 is a deficient number, since it is larger than the sum of its proper divisors (132250).

214838 is a wasteful number, since it uses less digits than its factorization.

214838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8278.

The product of its digits is 1536, while the sum is 26.

The square root of 214838 is about 463.5062027632. The cubic root of 214838 is about 59.8922138926.

The spelling of 214838 in words is "two hundred fourteen thousand, eight hundred thirty-eight".

Divisors: 1 2 13 26 8263 16526 107419 214838