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830241511 = 11234769821
BaseRepresentation
bin110001011111000…
…111101011100111
32010212020122020121
4301133013223213
53200020212021
6214214542411
726400636121
oct6137075347
92125218217
10830241511
11396716810
121b2067a07
13103010a88
147c39c211
154cd4c741
hex317c7ae7

830241511 has 16 divisors (see below), whose sum is σ = 965219328. Its totient is φ = 706578400.

The previous prime is 830241487. The next prime is 830241521. The reversal of 830241511 is 115142038.

It is not a de Polignac number, because 830241511 - 25 = 830241479 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 (830241521) 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 15 ways as a sum of consecutive naturals, for example, 23020 + ... + 46801.

It is an arithmetic number, because the mean of its divisors is an integer number (60326208).

Almost surely, 2830241511 is an apocalyptic number.

830241511 is a deficient number, since it is larger than the sum of its proper divisors (134977817).

830241511 is a wasteful number, since it uses less digits than its factorization.

830241511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69902.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 830241511 is about 28813.9117615085. The cubic root of 830241511 is about 939.8707801096.

Adding to 830241511 its reverse (115142038), we get a palindrome (945383549).

The spelling of 830241511 in words is "eight hundred thirty million, two hundred forty-one thousand, five hundred eleven".

Divisors: 1 11 23 47 253 517 1081 11891 69821 768031 1605883 3281587 17664713 36097457 75476501 830241511