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11908872 = 2332193857
BaseRepresentation
bin101101011011…
…011100001000
3211102000220100
4231123130020
511022040442
61103125400
7203136513
oct55333410
924360810
1011908872
1167a4348
123ba3860
13260c691
14181dd7a
1510a384c
hexb5b708

11908872 has 48 divisors (see below), whose sum is σ = 32458140. Its totient is φ = 3944448.

The previous prime is 11908861. The next prime is 11908873. The reversal of 11908872 is 27880911.

11908872 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11737476 + 171396 = 3426^2 + 414^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (11908873) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13468 + ... + 14324.

Almost surely, 211908872 is an apocalyptic number.

11908872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11908872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16229070).

11908872 is an abundant number, since it is smaller than the sum of its proper divisors (20549268).

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

11908872 is a wasteful number, since it uses less digits than its factorization.

11908872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1062 (or 1055 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 36.

The square root of 11908872 is about 3450.9233546980. The cubic root of 11908872 is about 228.3618446410.

The spelling of 11908872 in words is "eleven million, nine hundred eight thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 193 386 579 772 857 1158 1544 1714 1737 2316 2571 3428 3474 4632 5142 6856 6948 7713 10284 13896 15426 20568 30852 61704 165401 330802 496203 661604 992406 1323208 1488609 1984812 2977218 3969624 5954436 11908872