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728703485 = 51960112763
BaseRepresentation
bin101011011011110…
…010000111111101
31212210011222020222
4223123302013331
52443022002420
6200150351125
724025606646
oct5333620775
91783158228
10728703485
11344374794
1218405b4a5
13b7c7c1c3
146caca6cd
1543e92225
hex2b6f21fd

728703485 has 16 divisors (see below), whose sum is σ = 922071360. Its totient is φ = 551318400.

The previous prime is 728703467. The next prime is 728703497. The reversal of 728703485 is 584307827.

It is a happy number.

It is not a de Polignac number, because 728703485 - 26 = 728703421 is a prime.

It is a super-2 number, since 2×7287034852 = 1062017538102290450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50714 + ... + 63476.

It is an arithmetic number, because the mean of its divisors is an integer number (57629460).

Almost surely, 2728703485 is an apocalyptic number.

It is an amenable number.

728703485 is a deficient number, since it is larger than the sum of its proper divisors (193367875).

728703485 is a wasteful number, since it uses less digits than its factorization.

728703485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13388.

The product of its (nonzero) digits is 376320, while the sum is 44.

The square root of 728703485 is about 26994.5084230108. The cubic root of 728703485 is about 899.8779608186.

The spelling of 728703485 in words is "seven hundred twenty-eight million, seven hundred three thousand, four hundred eighty-five".

Divisors: 1 5 19 95 601 3005 11419 12763 57095 63815 242497 1212485 7670563 38352815 145740697 728703485