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830505277 = 72929313963
BaseRepresentation
bin110001100000001…
…000000100111101
32010212202001001201
4301200020010331
53200102132102
6214224335501
726403115120
oct6140100475
92125661051
10830505277
113968869a8
121b2174591
131030a3b54
147c42a3b7
154cda0987
hex3180813d

830505277 has 16 divisors (see below), whose sum is σ = 985299840. Its totient is φ = 684919872.

The previous prime is 830505271. The next prime is 830505281. The reversal of 830505277 is 772505038.

It is not a de Polignac number, because 830505277 - 227 = 696287549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (830505271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52498 + ... + 66460.

It is an arithmetic number, because the mean of its divisors is an integer number (61581240).

Almost surely, 2830505277 is an apocalyptic number.

It is an amenable number.

830505277 is a deficient number, since it is larger than the sum of its proper divisors (154794563).

830505277 is a wasteful number, since it uses less digits than its factorization.

830505277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14292.

The product of its (nonzero) digits is 58800, while the sum is 37.

The square root of 830505277 is about 28818.4884579327. The cubic root of 830505277 is about 939.9703012346.

The spelling of 830505277 in words is "eight hundred thirty million, five hundred five thousand, two hundred seventy-seven".

Divisors: 1 7 29 203 293 2051 8497 13963 59479 97741 404927 2834489 4091159 28638113 118643611 830505277