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11992725 = 3352109163
BaseRepresentation
bin101101101111…
…111010010101
3211120021221000
4231233322111
511032231400
61105013513
7203636133
oct55577225
924507830
1011992725
116851348
124024299
13263b8b4
141842753
1510bd600
hexb6fe95

11992725 has 48 divisors (see below), whose sum is σ = 22369600. Its totient is φ = 6298560.

The previous prime is 11992711. The next prime is 11992727. The reversal of 11992725 is 52729911.

11992725 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11992725 - 24 = 11992709 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11992725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11992727) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 73494 + ... + 73656.

Almost surely, 211992725 is an apocalyptic number.

11992725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11992725 is a deficient number, since it is larger than the sum of its proper divisors (10376875).

11992725 is a wasteful number, since it uses less digits than its factorization.

11992725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291 (or 280 counting only the distinct ones).

The product of its digits is 11340, while the sum is 36.

The square root of 11992725 is about 3463.0514001383. The cubic root of 11992725 is about 228.8965736241.

The spelling of 11992725 in words is "eleven million, nine hundred ninety-two thousand, seven hundred twenty-five".

Divisors: 1 3 5 9 15 25 27 45 75 109 135 163 225 327 489 545 675 815 981 1467 1635 2445 2725 2943 4075 4401 4905 7335 8175 12225 14715 17767 22005 24525 36675 53301 73575 88835 110025 159903 266505 444175 479709 799515 1332525 2398545 3997575 11992725