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11287950 = 235275253
BaseRepresentation
bin101011000011…
…110110001110
3210020111011020
4223003312032
510342203300
61041535010
7164642322
oct53036616
923214136
1011287950
11640a893
123944466
132452b7b
1416db982
15ece8a0
hexac3d8e

11287950 has 24 divisors (see below), whose sum is σ = 27994488. Its totient is φ = 3010080.

The previous prime is 11287933. The next prime is 11287951. The reversal of 11287950 is 5978211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11287951) 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 11 ways as a sum of consecutive naturals, for example, 37477 + ... + 37776.

It is an arithmetic number, because the mean of its divisors is an integer number (1166437).

Almost surely, 211287950 is an apocalyptic number.

11287950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11287950 is an abundant number, since it is smaller than the sum of its proper divisors (16706538).

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

11287950 is a wasteful number, since it uses less digits than its factorization.

11287950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75268 (or 75263 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 33.

The square root of 11287950 is about 3359.7544553137. The cubic root of 11287950 is about 224.3219090823.

The spelling of 11287950 in words is "eleven million, two hundred eighty-seven thousand, nine hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 75253 150506 225759 376265 451518 752530 1128795 1881325 2257590 3762650 5643975 11287950