Search a number
-
+
101210 = 2529349
BaseRepresentation
bin11000101101011010
312010211112
4120231122
511214320
62100322
7601034
oct305532
9163745
10101210
116a04a
124a6a2
13370b5
1428c54
151eec5
hex18b5a

101210 has 16 divisors (see below), whose sum is σ = 189000. Its totient is φ = 38976.

The previous prime is 101209. The next prime is 101221. The reversal of 101210 is 12101.

Adding to 101210 its reverse (12101), we get a palindrome (113311).

It can be divided in two parts, 10 and 1210, that multiplied together give a square (12100 = 1102).

It is a happy number.

101210 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It can be written as a sum of positive squares in 4 ways, for example, as 90601 + 10609 = 301^2 + 103^2 .

It is a Harshad number since it is a multiple of its sum of digits (5).

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 = 101194 and 101203.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116 + ... + 464.

2101210 is an apocalyptic number.

101210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101210 is a deficient number, since it is larger than the sum of its proper divisors (87790).

101210 is a wasteful number, since it uses less digits than its factorization.

101210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385.

The product of its (nonzero) digits is 2, while the sum is 5.

The square root of 101210 is about 318.1351913888. The cubic root of 101210 is about 46.6023490376.

The spelling of 101210 in words is "one hundred one thousand, two hundred ten", and thus it is an iban number.

Divisors: 1 2 5 10 29 58 145 290 349 698 1745 3490 10121 20242 50605 101210