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10203201 = 321133689
BaseRepresentation
bin100110111011…
…000001000001
3201012101011100
4212323001001
510103000301
61002405013
7152503641
oct46730101
921171140
1010203201
1158398a8
123500769
1321631c8
1414d8521
15d68286
hex9bb041

10203201 has 6 divisors (see below), whose sum is σ = 14737970. Its totient is φ = 6802128.

The previous prime is 10203187. The next prime is 10203203. The reversal of 10203201 is 10230201.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 7049025 + 3154176 = 2655^2 + 1776^2 .

It is not a de Polignac number, because 10203201 - 210 = 10202177 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 1133689 = 10203201 / (1 + 0 + 2 + 0 + 3 + 2 + 0 + 1).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10203203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 566836 + ... + 566853.

Almost surely, 210203201 is an apocalyptic number.

It is an amenable number.

10203201 is a deficient number, since it is larger than the sum of its proper divisors (4534769).

10203201 is a wasteful number, since it uses less digits than its factorization.

10203201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133695 (or 1133692 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 10203201 is about 3194.2449812123. The cubic root of 10203201 is about 216.8929724854.

Adding to 10203201 its reverse (10230201), we get a palindrome (20433402).

Subtracting 10203201 from its reverse (10230201), we obtain a cube (27000 = 303).

It can be divided in two parts, 10203 and 201, that added together give a square (10404 = 1022).

The spelling of 10203201 in words is "ten million, two hundred three thousand, two hundred one".

Divisors: 1 3 9 1133689 3401067 10203201