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53983471 = 292716869
BaseRepresentation
bin1100110111101…
…1100011101111
310202120122101211
43031323203233
5102304432341
65205015251
71223565133
oct315734357
9122518354
1053983471
1128521643
12160b4527
13b2515a9
1472533c3
154b15181
hex337b8ef

53983471 has 8 divisors (see below), whose sum is σ = 56059200. Its totient is φ = 51922080.

The previous prime is 53983459. The next prime is 53983499. The reversal of 53983471 is 17438935.

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 53983471 - 29 = 53982959 is a prime.

It is a super-3 number, since 3×539834713 (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53983271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4425 + ... + 11293.

It is an arithmetic number, because the mean of its divisors is an integer number (7007400).

Almost surely, 253983471 is an apocalyptic number.

53983471 is a deficient number, since it is larger than the sum of its proper divisors (2075729).

53983471 is a wasteful number, since it uses less digits than its factorization.

53983471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7169.

The product of its digits is 90720, while the sum is 40.

The square root of 53983471 is about 7347.3444862753. The cubic root of 53983471 is about 377.9377457829.

The spelling of 53983471 in words is "fifty-three million, nine hundred eighty-three thousand, four hundred seventy-one".

Divisors: 1 29 271 6869 7859 199201 1861499 53983471