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13689600 = 283522331
BaseRepresentation
bin110100001110…
…001100000000
3221202111121020
4310032030000
512001031400
61205225440
7224234241
oct64161400
927674536
1013689600
117800221
124702280
132ab4072
141b64cc8
1513062a0
hexd0e300

13689600 has 216 divisors, whose sum is σ = 48663552. Its totient is φ = 3379200.

The previous prime is 13689589. The next prime is 13689601. The reversal of 13689600 is 698631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13689601) 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, 441585 + ... + 441615.

Almost surely, 213689600 is an apocalyptic number.

13689600 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 13689600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24331776).

13689600 is an abundant number, since it is smaller than the sum of its proper divisors (34973952).

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

13689600 is a wasteful number, since it uses less digits than its factorization.

13689600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83 (or 64 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 13689600 is about 3699.9459455511. The cubic root of 13689600 is about 239.2196879430.

The spelling of 13689600 in words is "thirteen million, six hundred eighty-nine thousand, six hundred".