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434243022440 = 23531091349171
BaseRepresentation
bin1100101000110101110…
…01101010111001101000
31112111212010212010221012
412110122321222321220
524103312203204230
6531253303003052
743241642534453
oct6243271527150
91474763763835
10434243022440
11158185957a47
12701ab139488
1331c44a935b6
1417035d4249a
15b467c9e395
hex651ae6ae68

434243022440 has 32 divisors (see below), whose sum is σ = 977081024160. Its totient is φ = 173691124800.

The previous prime is 434243022439. The next prime is 434243022443. The reversal of 434243022440 is 44220342434.

It is a junction number, because it is equal to n+sod(n) for n = 434243022397 and 434243022406.

It is not an unprimeable number, because it can be changed into a prime (434243022443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1069055 + ... + 1418225.

It is an arithmetic number, because the mean of its divisors is an integer number (30533782005).

Almost surely, 2434243022440 is an apocalyptic number.

434243022440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

434243022440 is an abundant number, since it is smaller than the sum of its proper divisors (542838001720).

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

434243022440 is a wasteful number, since it uses less digits than its factorization.

434243022440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380273 (or 380269 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 32.

Adding to 434243022440 its reverse (44220342434), we get a palindrome (478463364874).

The spelling of 434243022440 in words is "four hundred thirty-four billion, two hundred forty-three million, twenty-two thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 31091 62182 124364 155455 248728 310910 349171 621820 698342 1243640 1396684 1745855 2793368 3491710 6983420 13966840 10856075561 21712151122 43424302244 54280377805 86848604488 108560755610 217121511220 434243022440