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13745385 = 325476797
BaseRepresentation
bin110100011011…
…110011101001
3221212100010100
4310123303221
512004323020
61210340013
7224556003
oct64336351
927770110
1013745385
117839125
12472a609
132b03584
141b7b373
151317a90
hexd1bce9

13745385 has 48 divisors (see below), whose sum is σ = 24950016. Its totient is φ = 6994944.

The previous prime is 13745377. The next prime is 13745419. The reversal of 13745385 is 58354731.

It is not a de Polignac number, because 13745385 - 23 = 13745377 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 141657 + ... + 141753.

It is an arithmetic number, because the mean of its divisors is an integer number (519792).

Almost surely, 213745385 is an apocalyptic number.

13745385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13745385 is a deficient number, since it is larger than the sum of its proper divisors (11204631).

13745385 is a wasteful number, since it uses less digits than its factorization.

13745385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222 (or 219 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 13745385 is about 3707.4769048505. The cubic root of 13745385 is about 239.5441869416.

The spelling of 13745385 in words is "thirteen million, seven hundred forty-five thousand, three hundred eighty-five".

Divisors: 1 3 5 9 15 45 47 67 97 141 201 235 291 335 423 485 603 705 873 1005 1455 2115 3015 3149 4365 4559 6499 9447 13677 15745 19497 22795 28341 32495 41031 47235 58491 68385 97485 141705 205155 292455 305453 916359 1527265 2749077 4581795 13745385