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13745272 = 231718159
BaseRepresentation
bin110100011011…
…110001111000
3221212022222011
4310123301320
512004322042
61210335304
7224555452
oct64336170
927768864
1013745272
117839032
12472a534
132b034c8
141b7b2d2
151317a17
hexd1bc78

13745272 has 8 divisors (see below), whose sum is σ = 25772400. Its totient is φ = 6872632.

The previous prime is 13745261. The next prime is 13745279. The reversal of 13745272 is 27254731.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13745279) by changing a digit.

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 as a sum of consecutive naturals, namely, 859072 + ... + 859087.

It is an arithmetic number, because the mean of its divisors is an integer number (3221550).

Almost surely, 213745272 is an apocalyptic number.

It is an amenable number.

13745272 is a deficient number, since it is larger than the sum of its proper divisors (12027128).

13745272 is a wasteful number, since it uses less digits than its factorization.

13745272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1718165 (or 1718161 counting only the distinct ones).

The product of its digits is 11760, while the sum is 31.

The square root of 13745272 is about 3707.4616653446. The cubic root of 13745272 is about 239.5435305136.

The spelling of 13745272 in words is "thirteen million, seven hundred forty-five thousand, two hundred seventy-two".

Divisors: 1 2 4 8 1718159 3436318 6872636 13745272