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11909952 = 2632232931
BaseRepresentation
bin101101011011…
…101101000000
3211102002101100
4231123231000
511022104302
61103134400
7203142615
oct55335500
924362340
1011909952
1167a513a
123ba4400
132610012
14182050c
1510a3d1c
hexb5bb40

11909952 has 168 divisors, whose sum is σ = 38039040. Its totient is φ = 3548160.

The previous prime is 11909927. The next prime is 11909959. The reversal of 11909952 is 25990911.

11909952 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 is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11909959) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 384177 + ... + 384207.

Almost surely, 211909952 is an apocalyptic number.

11909952 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 11909952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19019520).

11909952 is an abundant number, since it is smaller than the sum of its proper divisors (26129088).

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

11909952 is a wasteful number, since it uses less digits than its factorization.

11909952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101 (or 88 counting only the distinct ones).

The product of its (nonzero) digits is 7290, while the sum is 36.

The square root of 11909952 is about 3451.0798310094. The cubic root of 11909952 is about 228.3687477111.

The spelling of 11909952 in words is "eleven million, nine hundred nine thousand, nine hundred fifty-two".