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105214 = 2311697
BaseRepresentation
bin11001101011111110
312100022211
4121223332
511331324
62131034
7615514
oct315376
9170284
10105214
117205a
1250a7a
1338b75
142a4b4
1521294
hex19afe

105214 has 8 divisors (see below), whose sum is σ = 163008. Its totient is φ = 50880.

The previous prime is 105211. The next prime is 105227. The reversal of 105214 is 412501.

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

It is a super-2 number, since 2×1052142 = 22139971592, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 105194 and 105203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105211) 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, 787 + ... + 910.

It is an arithmetic number, because the mean of its divisors is an integer number (20376).

2105214 is an apocalyptic number.

105214 is a deficient number, since it is larger than the sum of its proper divisors (57794).

105214 is a wasteful number, since it uses less digits than its factorization.

105214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1730.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 105214 is about 324.3670760111. The cubic root of 105214 is about 47.2089684193.

Adding to 105214 its reverse (412501), we get a palindrome (517715).

The spelling of 105214 in words is "one hundred five thousand, two hundred fourteen".

Divisors: 1 2 31 62 1697 3394 52607 105214