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10540387 = 111373709
BaseRepresentation
bin101000001101…
…010101100011
3201211111200201
4220031111203
510144243022
61013530031
7155406664
oct50152543
921744621
1010540387
115a4a170
123643917
132250820
14158536b
15dd3127
hexa0d563

10540387 has 8 divisors (see below), whose sum is σ = 12383280. Its totient is φ = 8844960.

The previous prime is 10540381. The next prime is 10540423. The reversal of 10540387 is 78304501.

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

It is a cyclic number.

It is not a de Polignac number, because 10540387 - 23 = 10540379 is a prime.

It is a super-3 number, since 3×105403873 (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (10540381) 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 7 ways as a sum of consecutive naturals, for example, 36712 + ... + 36997.

It is an arithmetic number, because the mean of its divisors is an integer number (1547910).

Almost surely, 210540387 is an apocalyptic number.

10540387 is a deficient number, since it is larger than the sum of its proper divisors (1842893).

10540387 is a wasteful number, since it uses less digits than its factorization.

10540387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73733.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 10540387 is about 3246.5962175793. The cubic root of 10540387 is about 219.2563527814.

Adding to 10540387 its reverse (78304501), we get a palindrome (88844888).

The spelling of 10540387 in words is "ten million, five hundred forty thousand, three hundred eighty-seven".

Divisors: 1 11 13 143 73709 810799 958217 10540387