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474728893 = 1743963611
BaseRepresentation
bin11100010010111…
…100100110111101
31020002021201121121
4130102330212331
51433012311033
6115035030541
714523062152
oct3422744675
91202251547
10474728893
11223a76931
12112b9b451
1377477692
1447098229
152ba2562d
hex1c4bc9bd

474728893 has 8 divisors (see below), whose sum is σ = 503807040. Its totient is φ = 445778880.

The previous prime is 474728887. The next prime is 474728909. The reversal of 474728893 is 398827474.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-474728893 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 474728893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (474728393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24343 + ... + 39268.

It is an arithmetic number, because the mean of its divisors is an integer number (62975880).

Almost surely, 2474728893 is an apocalyptic number.

It is an amenable number.

474728893 is a deficient number, since it is larger than the sum of its proper divisors (29078147).

474728893 is a wasteful number, since it uses less digits than its factorization.

474728893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64067.

The product of its digits is 2709504, while the sum is 52.

The square root of 474728893 is about 21788.2742088491. The cubic root of 474728893 is about 780.0969050105.

It can be divided in two parts, 47472 and 8893, that added together give a palindrome (56365).

The spelling of 474728893 in words is "four hundred seventy-four million, seven hundred twenty-eight thousand, eight hundred ninety-three".

Divisors: 1 17 439 7463 63611 1081387 27925229 474728893