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10201090 = 251020109
BaseRepresentation
bin100110111010…
…100000000010
3201012021021011
4212322200002
510102413330
61002351134
7152464534
oct46724002
921167234
1010201090
115838259
1234bb4aa
132162263
1414d7854
15d6782a
hex9ba802

10201090 has 8 divisors (see below), whose sum is σ = 18361980. Its totient is φ = 4080432.

The previous prime is 10201073. The next prime is 10201109. The reversal of 10201090 is 9010201.

It can be written as a sum of positive squares in 2 ways, for example, as 9199089 + 1002001 = 3033^2 + 1001^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 10201090.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 510045 + ... + 510064.

Almost surely, 210201090 is an apocalyptic number.

10201090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10201090 is a deficient number, since it is larger than the sum of its proper divisors (8160890).

10201090 is a wasteful number, since it uses less digits than its factorization.

10201090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020116.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 10201090 is about 3193.9145260949. The cubic root of 10201090 is about 216.8780133680.

Adding to 10201090 its reverse (9010201), we get a palindrome (19211291).

It can be divided in two parts, 102010 and 90, that multiplied together give a square (9180900 = 30302).

The spelling of 10201090 in words is "ten million, two hundred one thousand, ninety".

Divisors: 1 2 5 10 1020109 2040218 5100545 10201090