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10381111 = 137310939
BaseRepresentation
bin100111100110…
…011100110111
3201112102012121
4213212130313
510124143421
61010300411
7154144426
oct47463467
921472177
1010381111
115950534
123587707
1321c6190
1415432bd
15da0d41
hex9e6737

10381111 has 8 divisors (see below), whose sum is σ = 11333840. Its totient is φ = 9450432.

The previous prime is 10381097. The next prime is 10381117. The reversal of 10381111 is 11118301.

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 10381111 - 25 = 10381079 is a prime.

It is a Duffinian number.

10381111 is a modest number, since divided by 1111 gives 1038 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10381117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4521 + ... + 6418.

It is an arithmetic number, because the mean of its divisors is an integer number (1416730).

Almost surely, 210381111 is an apocalyptic number.

10381111 is a deficient number, since it is larger than the sum of its proper divisors (952729).

10381111 is a wasteful number, since it uses less digits than its factorization.

10381111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11025.

The product of its (nonzero) digits is 24, while the sum is 16.

The square root of 10381111 is about 3221.9731532091. The cubic root of 10381111 is about 218.1463470376.

Adding to 10381111 its reverse (11118301), we get a palindrome (21499412).

The spelling of 10381111 in words is "ten million, three hundred eighty-one thousand, one hundred eleven".

Divisors: 1 13 73 949 10939 142207 798547 10381111