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13528418 = 2191991789
BaseRepresentation
bin110011100110…
…110101100010
3221110022111112
4303212311202
511430402133
61201543322
7222663311
oct63466542
927408445
1013528418
117700112
124644b42
132a588a7
141b22278
1512c3648
hexce6d62

13528418 has 16 divisors (see below), whose sum is σ = 21480000. Its totient is φ = 6372432.

The previous prime is 13528387. The next prime is 13528477. The reversal of 13528418 is 81482531.

It is a Curzon number.

It is a zygodrome in base 7.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6668 + ... + 8456.

It is an arithmetic number, because the mean of its divisors is an integer number (1342500).

Almost surely, 213528418 is an apocalyptic number.

13528418 is a deficient number, since it is larger than the sum of its proper divisors (7951582).

13528418 is a wasteful number, since it uses less digits than its factorization.

13528418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2009.

The product of its digits is 7680, while the sum is 32.

The square root of 13528418 is about 3678.0997811370. The cubic root of 13528418 is about 238.2771175981.

The spelling of 13528418 in words is "thirteen million, five hundred twenty-eight thousand, four hundred eighteen".

Divisors: 1 2 19 38 199 398 1789 3578 3781 7562 33991 67982 356011 712022 6764209 13528418