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830027505 = 35142938723
BaseRepresentation
bin110001011110010…
…011011011110001
32010211211202200110
4301132103123301
53144441340010
6214210211533
726366055156
oct6136233361
92124752613
10830027505
1139658aa4a
121b1b83ba9
13102c67548
147c34422d
154cd09120
hex317936f1

830027505 has 16 divisors (see below), whose sum is σ = 1329007680. Its totient is φ = 442360128.

The previous prime is 830027491. The next prime is 830027537. The reversal of 830027505 is 505720038.

It is a happy number.

It is not a de Polignac number, because 830027505 - 24 = 830027489 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2074 + ... + 40796.

It is an arithmetic number, because the mean of its divisors is an integer number (83062980).

Almost surely, 2830027505 is an apocalyptic number.

It is an amenable number.

830027505 is a deficient number, since it is larger than the sum of its proper divisors (498980175).

830027505 is a wasteful number, since it uses less digits than its factorization.

830027505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40160.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 830027505 is about 28810.1979340649. The cubic root of 830027505 is about 939.7900183601.

The spelling of 830027505 in words is "eight hundred thirty million, twenty-seven thousand, five hundred five".

Divisors: 1 3 5 15 1429 4287 7145 21435 38723 116169 193615 580845 55335167 166005501 276675835 830027505