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1100212 = 22275053
BaseRepresentation
bin100001100100110110100
32001220012121
410030212310
5240201322
635325324
712231421
oct4144664
92056177
101100212
11691673
12450844
132c6a19
14208d48
1516aec7
hex10c9b4

1100212 has 6 divisors (see below), whose sum is σ = 1925378. Its totient is φ = 550104.

The previous prime is 1100179. The next prime is 1100213. The reversal of 1100212 is 2120011.

It can be written as a sum of positive squares in only one way, i.e., 910116 + 190096 = 954^2 + 436^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1100195 and 1100204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137523 + ... + 137530.

21100212 is an apocalyptic number.

It is an amenable number.

1100212 is a deficient number, since it is larger than the sum of its proper divisors (825166).

1100212 is a wasteful number, since it uses less digits than its factorization.

1100212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275057 (or 275055 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 1100212 is about 1048.9099103355. The cubic root of 1100212 is about 103.2346427374.

Adding to 1100212 its reverse (2120011), we get a palindrome (3220223).

The spelling of 1100212 in words is "one million, one hundred thousand, two hundred twelve".

Divisors: 1 2 4 275053 550106 1100212