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53083449 = 32107199277
BaseRepresentation
bin1100101001111…
…1110100111001
310200212220210200
43022133310321
5102042132244
65133432413
71213126146
oct312376471
9120786720
1053083449
1127a67421
121593b709
13acc7a33
14709b3cd
1549d8669
hex329fd39

53083449 has 24 divisors (see below), whose sum is σ = 78062400. Its totient is φ = 34756128.

The previous prime is 53083447. The next prime is 53083451. The reversal of 53083449 is 94438035.

53083449 is a `hidden beast` number, since 5 + 308 + 344 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (53083447) and next prime (53083451).

It is not a de Polignac number, because 53083449 - 21 = 53083447 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53083447) 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, 191499 + ... + 191775.

It is an arithmetic number, because the mean of its divisors is an integer number (3252600).

Almost surely, 253083449 is an apocalyptic number.

It is an amenable number.

53083449 is a deficient number, since it is larger than the sum of its proper divisors (24978951).

53083449 is a wasteful number, since it uses less digits than its factorization.

53083449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589 (or 586 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 53083449 is about 7285.8389359085. The cubic root of 53083449 is about 375.8256156229.

The spelling of 53083449 in words is "fifty-three million, eighty-three thousand, four hundred forty-nine".

Divisors: 1 3 9 107 199 277 321 597 831 963 1791 2493 21293 29639 55123 63879 88917 165369 191637 266751 496107 5898161 17694483 53083449