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13669353 = 322983631
BaseRepresentation
bin110100001001…
…001111101001
3221201110211100
4310021033221
511444404403
61204552013
7224121225
oct64111751
927643740
1013669353
117796a95
1246b2609
132aa7a99
141b5b785
1513002a3
hexd093e9

13669353 has 24 divisors (see below), whose sum is σ = 20704320. Its totient is φ = 8678880.

The previous prime is 13669351. The next prime is 13669361. The reversal of 13669353 is 35396631.

13669353 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13669353 - 21 = 13669351 is a prime.

It is a super-2 number, since 2×136693532 = 373702422877218, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13669351) 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, 21348 + ... + 21978.

It is an arithmetic number, because the mean of its divisors is an integer number (862680).

Almost surely, 213669353 is an apocalyptic number.

It is an amenable number.

13669353 is a deficient number, since it is larger than the sum of its proper divisors (7034967).

13669353 is a wasteful number, since it uses less digits than its factorization.

13669353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749 (or 746 counting only the distinct ones).

The product of its digits is 43740, while the sum is 36.

The square root of 13669353 is about 3697.2088120635. The cubic root of 13669353 is about 239.1016939711.

The spelling of 13669353 in words is "thirteen million, six hundred sixty-nine thousand, three hundred fifty-three".

Divisors: 1 3 9 29 83 87 249 261 631 747 1893 2407 5679 7221 18299 21663 52373 54897 157119 164691 471357 1518817 4556451 13669353