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10202145 = 351935797
BaseRepresentation
bin100110111010…
…110000100001
3201012022201020
4212322300201
510102432040
61002400053
7152500602
oct46726041
921168636
1010202145
115839028
123500029
132162895
1414d7da9
15d67cd0
hex9bac21

10202145 has 16 divisors (see below), whose sum is σ = 17183040. Its totient is φ = 5154624.

The previous prime is 10202119. The next prime is 10202177. The reversal of 10202145 is 54120201.

It is not a de Polignac number, because 10202145 - 212 = 10198049 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 17614 + ... + 18183.

It is an arithmetic number, because the mean of its divisors is an integer number (1073940).

Almost surely, 210202145 is an apocalyptic number.

10202145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10202145 is a deficient number, since it is larger than the sum of its proper divisors (6980895).

10202145 is a wasteful number, since it uses less digits than its factorization.

10202145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35824.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 10202145 is about 3194.0796796574. The cubic root of 10202145 is about 216.8854896415.

Adding to 10202145 its reverse (54120201), we get a palindrome (64322346).

The spelling of 10202145 in words is "ten million, two hundred two thousand, one hundred forty-five".

Divisors: 1 3 5 15 19 57 95 285 35797 107391 178985 536955 680143 2040429 3400715 10202145