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11938080 = 25357111719
BaseRepresentation
bin101101100010…
…100100100000
3211110111222010
4231202210200
511024004310
61103512520
7203320620
oct55424440
924414863
1011938080
116814290
123bb8740
13261ca6b
14182a880
1510ac320
hexb62920

11938080 has 384 divisors, whose sum is σ = 52254720. Its totient is φ = 2211840.

The previous prime is 11938079. The next prime is 11938103. The reversal of 11938080 is 8083911.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 628311 + ... + 628329.

It is an arithmetic number, because the mean of its divisors is an integer number (136080).

Almost surely, 211938080 is an apocalyptic number.

11938080 is a gapful number since it is divisible by the number (10) 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 11938080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26127360).

11938080 is an abundant number, since it is smaller than the sum of its proper divisors (40316640).

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

11938080 is a wasteful number, since it uses less digits than its factorization.

11938080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72 (or 64 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 11938080 is about 3455.1526739060. The cubic root of 11938080 is about 228.5483875584.

The spelling of 11938080 in words is "eleven million, nine hundred thirty-eight thousand, eighty".