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11900512 = 251328607
BaseRepresentation
bin101101011001…
…011001100000
3211101121102201
4231121121200
511021304022
61103022544
7203103241
oct55313140
924347381
1011900512
116799038
123b9aa54
132608930
14181acc8
1510a1127
hexb59660

11900512 has 24 divisors (see below), whose sum is σ = 25232256. Its totient is φ = 5492352.

The previous prime is 11900509. The next prime is 11900513. The reversal of 11900512 is 21500911.

It is a self number, because there is not a number n which added to its sum of digits gives 11900512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11900513) 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 3 ways as a sum of consecutive naturals, for example, 13888 + ... + 14719.

It is an arithmetic number, because the mean of its divisors is an integer number (1051344).

Almost surely, 211900512 is an apocalyptic number.

It is an amenable number.

11900512 is an abundant number, since it is smaller than the sum of its proper divisors (13331744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11900512 is a wasteful number, since it uses less digits than its factorization.

11900512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28630 (or 28622 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 19.

The square root of 11900512 is about 3449.7118720264. The cubic root of 11900512 is about 228.3083956402.

The spelling of 11900512 in words is "eleven million, nine hundred thousand, five hundred twelve".

Divisors: 1 2 4 8 13 16 26 32 52 104 208 416 28607 57214 114428 228856 371891 457712 743782 915424 1487564 2975128 5950256 11900512