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10204290 = 2325113381
BaseRepresentation
bin100110111011…
…010010000010
3201012102122200
4212323102002
510103014130
61002414030
7152510055
oct46732202
921172580
1010204290
11583a6a8
123501316
132163855
1414d8a9c
15d68760
hex9bb482

10204290 has 24 divisors (see below), whose sum is σ = 26531388. Its totient is φ = 2721120.

The previous prime is 10204283. The next prime is 10204291. The reversal of 10204290 is 9240201.

It can be written as a sum of positive squares in 2 ways, for example, as 9715689 + 488601 = 3117^2 + 699^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10204291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56601 + ... + 56780.

Almost surely, 210204290 is an apocalyptic number.

10204290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10204290 is an abundant number, since it is smaller than the sum of its proper divisors (16327098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10204290 is a wasteful number, since it uses less digits than its factorization.

10204290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113394 (or 113391 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 10204290 is about 3194.4154394818. The cubic root of 10204290 is about 216.9006886274.

Adding to 10204290 its reverse (9240201), we get a palindrome (19444491).

The spelling of 10204290 in words is "ten million, two hundred four thousand, two hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 113381 226762 340143 566905 680286 1020429 1133810 1700715 2040858 3401430 5102145 10204290