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11500007 = 173747389
BaseRepresentation
bin101011110111…
…100111100111
3210122021001012
4223313213213
510421000012
61050252435
7166514501
oct53674747
923567035
1011500007
116545142
123a2711b
1324c854c
141754d71
151022622
hexaf79e7

11500007 has 16 divisors (see below), whose sum is σ = 12804480. Its totient is φ = 10280448.

The previous prime is 11500003. The next prime is 11500031. The reversal of 11500007 is 70000511.

11500007 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11500007 - 22 = 11500003 is a prime.

It is a super-3 number, since 3×115000073 (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11499964 and 11500000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11500001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29369 + ... + 29757.

It is an arithmetic number, because the mean of its divisors is an integer number (800280).

Almost surely, 211500007 is an apocalyptic number.

11500007 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

11500007 is a deficient number, since it is larger than the sum of its proper divisors (1304473).

11500007 is a wasteful number, since it uses less digits than its factorization.

11500007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490.

The product of its (nonzero) digits is 35, while the sum is 14.

The square root of 11500007 is about 3391.1660236562. The cubic root of 11500007 is about 225.7179175715.

Adding to 11500007 its reverse (70000511), we get a palindrome (81500518).

The spelling of 11500007 in words is "eleven million, five hundred thousand, seven".

Divisors: 1 17 37 47 389 629 799 1739 6613 14393 18283 29563 244681 310811 676471 11500007