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289506322434 = 23712754275651
BaseRepresentation
bin1000011011001111110…
…10111110100000000010
31000200021012012222022110
410031213322332200002
514220402104304214
6340555233120150
726626144065240
oct4154772764002
91020235188273
10289506322434
11101862853aaa
12481370b9056
13213b9a91044
14100255d1790
1577e62d6159
hex4367ebe802

289506322434 has 32 divisors (see below), whose sum is σ = 666939211776. Its totient is φ = 82064782800.

The previous prime is 289506322433. The next prime is 289506322451. The reversal of 289506322434 is 434223605982.

It is not an unprimeable number, because it can be changed into a prime (289506322433) 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, 27132492 + ... + 27143159.

It is an arithmetic number, because the mean of its divisors is an integer number (20841850368).

Almost surely, 2289506322434 is an apocalyptic number.

289506322434 is an abundant number, since it is smaller than the sum of its proper divisors (377432889342).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

289506322434 is a wasteful number, since it uses less digits than its factorization.

289506322434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54275790.

The product of its (nonzero) digits is 2488320, while the sum is 48.

The spelling of 289506322434 in words is "two hundred eighty-nine billion, five hundred six million, three hundred twenty-two thousand, four hundred thirty-four".

Divisors: 1 2 3 6 7 14 21 42 127 254 381 762 889 1778 2667 5334 54275651 108551302 162826953 325653906 379929557 759859114 1139788671 2279577342 6893007677 13786015354 20679023031 41358046062 48251053739 96502107478 144753161217 289506322434