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514894389 = 3171631463
BaseRepresentation
bin11110101100001…
…010101000110101
31022212212100022120
4132230022220311
52023303110024
6123031550153
715521346552
oct3654125065
91285770276
10514894389
1124470a859
1212452b359
138289b649
144c551a29
153030b479
hex1eb0aa35

514894389 has 4 divisors (see below), whose sum is σ = 686525856. Its totient is φ = 343262924.

The previous prime is 514894349. The next prime is 514894403. The reversal of 514894389 is 983498415.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 514894389 - 211 = 514892341 is a prime.

It is a super-3 number, since 3×5148943893 (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (514894349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85815729 + ... + 85815734.

It is an arithmetic number, because the mean of its divisors is an integer number (171631464).

Almost surely, 2514894389 is an apocalyptic number.

It is an amenable number.

514894389 is a deficient number, since it is larger than the sum of its proper divisors (171631467).

514894389 is a wasteful number, since it uses less digits than its factorization.

514894389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171631466.

The product of its digits is 1244160, while the sum is 51.

The square root of 514894389 is about 22691.2844281676. The cubic root of 514894389 is about 801.5046624851.

The spelling of 514894389 in words is "five hundred fourteen million, eight hundred ninety-four thousand, three hundred eighty-nine".

Divisors: 1 3 171631463 514894389