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13945453 = 411392447
BaseRepresentation
bin110101001100…
…101001101101
3222020111120021
4311030221231
512032223303
61214522141
7226351204
oct65145155
928214507
1013945453
117965475
124806351
132b73662
141bd023b
151356ebd
hexd4ca6d

13945453 has 8 divisors (see below), whose sum is σ = 14394240. Its totient is φ = 13501920.

The previous prime is 13945441. The next prime is 13945469. The reversal of 13945453 is 35454931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13945453 - 29 = 13944941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13945403) 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 in 7 ways as a sum of consecutive naturals, for example, 4476 + ... + 6922.

It is an arithmetic number, because the mean of its divisors is an integer number (1799280).

Almost surely, 213945453 is an apocalyptic number.

It is an amenable number.

13945453 is a deficient number, since it is larger than the sum of its proper divisors (448787).

13945453 is a wasteful number, since it uses less digits than its factorization.

13945453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2627.

The product of its digits is 32400, while the sum is 34.

The square root of 13945453 is about 3734.3611234052. The cubic root of 13945453 is about 240.7008046543.

The spelling of 13945453 in words is "thirteen million, nine hundred forty-five thousand, four hundred fifty-three".

Divisors: 1 41 139 2447 5699 100327 340133 13945453