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52786473 = 397118121
BaseRepresentation
bin1100100101011…
…1010100101001
310200022211102120
43021113110221
5102003131343
65123221453
71210451265
oct311272451
9120284376
1052786473
1127884293
1215817889
13ac227cc
1470210a5
15497a683
hex3257529

52786473 has 8 divisors (see below), whose sum is σ = 70458336. Its totient is φ = 35152800.

The previous prime is 52786453. The next prime is 52786537. The reversal of 52786473 is 37468725.

52786473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 52786473 - 29 = 52785961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52786453) 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, 6148 + ... + 11973.

It is an arithmetic number, because the mean of its divisors is an integer number (8807292).

Almost surely, 252786473 is an apocalyptic number.

It is an amenable number.

52786473 is a deficient number, since it is larger than the sum of its proper divisors (17671863).

52786473 is a wasteful number, since it uses less digits than its factorization.

52786473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19095.

The product of its digits is 282240, while the sum is 42.

The square root of 52786473 is about 7265.4299941573. The cubic root of 52786473 is about 375.1234509108.

The spelling of 52786473 in words is "fifty-two million, seven hundred eighty-six thousand, four hundred seventy-three".

Divisors: 1 3 971 2913 18121 54363 17595491 52786473