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10201387 = 73153887
BaseRepresentation
bin100110111010…
…100100101011
3201012021200011
4212322210223
510102421022
61002352351
7152465440
oct46724453
921167604
1010201387
1158384a9
1234bb6b7
132162431
1414d79c7
15d67977
hex9ba92b

10201387 has 16 divisors (see below), whose sum is σ = 12275712. Its totient is φ = 8292960.

The previous prime is 10201369. The next prime is 10201391. The reversal of 10201387 is 78310201.

It is a cyclic number.

It is not a de Polignac number, because 10201387 - 211 = 10199339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10201987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11058 + ... + 11944.

It is an arithmetic number, because the mean of its divisors is an integer number (767232).

Almost surely, 210201387 is an apocalyptic number.

10201387 is a deficient number, since it is larger than the sum of its proper divisors (2074325).

10201387 is an equidigital number, since it uses as much as digits as its factorization.

10201387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 10201387 is about 3193.9610204259. The cubic root of 10201387 is about 216.8801181151.

Adding to 10201387 its reverse (78310201), we get a palindrome (88511588).

The spelling of 10201387 in words is "ten million, two hundred one thousand, three hundred eighty-seven".

Divisors: 1 7 31 53 217 371 887 1643 6209 11501 27497 47011 192479 329077 1457341 10201387