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28235550224 = 2471148921943
BaseRepresentation
bin11010010010111110…
…000100111000010000
32200212210011120022102
4122102332010320100
5430311300101344
620545441455532
72016463134260
oct322276047020
980783146272
1028235550224
1110a7a260882
1255800415a8
13287c97138b
14151bd877a0
15b03c93e4e
hex692f84e10

28235550224 has 40 divisors (see below), whose sum is σ = 62529866880. Its totient is φ = 12099345408.

The previous prime is 28235550199. The next prime is 28235550271. The reversal of 28235550224 is 42205553282.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1275797 + ... + 1297739.

It is an arithmetic number, because the mean of its divisors is an integer number (1563246672).

Almost surely, 228235550224 is an apocalyptic number.

It is an amenable number.

28235550224 is an abundant number, since it is smaller than the sum of its proper divisors (34294316656).

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

28235550224 is a wasteful number, since it uses less digits than its factorization.

28235550224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33447 (or 33441 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 38.

The spelling of 28235550224 in words is "twenty-eight billion, two hundred thirty-five million, five hundred fifty thousand, two hundred twenty-four".

Divisors: 1 2 4 7 8 14 16 28 56 112 11489 21943 22978 43886 45956 80423 87772 91912 153601 160846 175544 183824 307202 321692 351088 614404 643384 1228808 1286768 2457616 252103127 504206254 1008412508 1764721889 2016825016 3529443778 4033650032 7058887556 14117775112 28235550224