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830125799 = 2354935251
BaseRepresentation
bin110001011110101…
…011011011100111
32010212000202111222
4301132223123213
53200003011144
6214212250555
726366644556
oct6136533347
92125022458
10830125799
11396647888
121b2010a5b
13102ca01c9
147c36bd9d
154cd282ee
hex317ab6e7

830125799 has 4 divisors (see below), whose sum is σ = 830184600. Its totient is φ = 830067000.

The previous prime is 830125717. The next prime is 830125819. The reversal of 830125799 is 997521038.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-830125799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (830125999) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5924 + ... + 41174.

It is an arithmetic number, because the mean of its divisors is an integer number (207546150).

Almost surely, 2830125799 is an apocalyptic number.

830125799 is a deficient number, since it is larger than the sum of its proper divisors (58801).

830125799 is a wasteful number, since it uses less digits than its factorization.

830125799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58800.

The product of its (nonzero) digits is 136080, while the sum is 44.

The square root of 830125799 is about 28811.9037725729. The cubic root of 830125799 is about 939.8271143492.

The spelling of 830125799 in words is "eight hundred thirty million, one hundred twenty-five thousand, seven hundred ninety-nine".

Divisors: 1 23549 35251 830125799