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107218 = 253609
BaseRepresentation
bin11010001011010010
312110002001
4122023102
511412333
62144214
7624406
oct321322
9173061
10107218
1173611
125206a
1339a57
142b106
1521b7d
hex1a2d2

107218 has 4 divisors (see below), whose sum is σ = 160830. Its totient is φ = 53608.

The previous prime is 107209. The next prime is 107227. The reversal of 107218 is 812701.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (107209) and next prime (107227).

It can be written as a sum of positive squares in only one way, i.e., 106929 + 289 = 327^2 + 17^2 .

It is a super-2 number, since 2×1072182 = 22991399048, 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 = 107195 and 107204.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26803 + ... + 26806.

2107218 is an apocalyptic number.

107218 is a deficient number, since it is larger than the sum of its proper divisors (53612).

107218 is an equidigital number, since it uses as much as digits as its factorization.

107218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53611.

The product of its (nonzero) digits is 112, while the sum is 19.

The square root of 107218 is about 327.4415978461. The cubic root of 107218 is about 47.5068134271.

Adding to 107218 its reverse (812701), we get a palindrome (919919).

It can be divided in two parts, 107 and 218, that added together give a triangular number (325 = T25).

The spelling of 107218 in words is "one hundred seven thousand, two hundred eighteen".

Divisors: 1 2 53609 107218