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11849140 = 2252325759
BaseRepresentation
bin101101001100…
…110110110100
3211021222222001
4231030312310
511013133030
61101545044
7202500412
oct55146664
924258861
1011849140
116763486
123b75184
1325bb434
1418062b2
151090cca
hexb4cdb4

11849140 has 24 divisors (see below), whose sum is σ = 25966080. Its totient is φ = 4533408.

The previous prime is 11849137. The next prime is 11849177. The reversal of 11849140 is 4194811.

It is a junction number, because it is equal to n+sod(n) for n = 11849099 and 11849108.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 12420 + ... + 13339.

It is an arithmetic number, because the mean of its divisors is an integer number (1081920).

Almost surely, 211849140 is an apocalyptic number.

11849140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11849140 is an abundant number, since it is smaller than the sum of its proper divisors (14116940).

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

11849140 is a wasteful number, since it uses less digits than its factorization.

11849140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25791 (or 25789 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 11849140 is about 3442.2579798731. The cubic root of 11849140 is about 227.9794020584.

Multiplying 11849140 by its sum of digits (28), we get a triangular number (331775920 = T25759).

The spelling of 11849140 in words is "eleven million, eight hundred forty-nine thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 25759 51518 103036 128795 257590 515180 592457 1184914 2369828 2962285 5924570 11849140