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13490880 = 2635132347
BaseRepresentation
bin110011011101…
…101011000000
3221101102000020
4303131223000
511423202010
61201053440
7222446004
oct63355300
927342006
1013490880
117684997
124627280
132a44790
141b12704
1512b7470
hexcddac0

13490880 has 224 divisors, whose sum is σ = 49158144. Its totient is φ = 3108864.

The previous prime is 13490879. The next prime is 13490947. The reversal of 13490880 is 8809431.

13490880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 287017 + ... + 287063.

It is an arithmetic number, because the mean of its divisors is an integer number (219456).

Almost surely, 213490880 is an apocalyptic number.

13490880 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 13490880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24579072).

13490880 is an abundant number, since it is smaller than the sum of its proper divisors (35667264).

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

13490880 is a wasteful number, since it uses less digits than its factorization.

13490880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103 (or 93 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 13490880 is about 3672.9933296972. The cubic root of 13490880 is about 238.0565268365.

The spelling of 13490880 in words is "thirteen million, four hundred ninety thousand, eight hundred eighty".