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28229000457 = 374728600811
BaseRepresentation
bin11010010010100101…
…000101110100001001
32200212022211210201110
4122102211011310021
5430303111003312
620545045240533
72016353354610
oct322245056411
980768753643
1028229000457
1110a76597949
125579a03149
13287b4ba088
14151b160877
15b033ed43c
hex692945d09

28229000457 has 16 divisors (see below), whose sum is σ = 43930847232. Its totient is φ = 15787647120.

The previous prime is 28229000453. The next prime is 28229000467. The reversal of 28229000457 is 75400092282.

It is not a de Polignac number, because 28229000457 - 22 = 28229000453 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28229000453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14299419 + ... + 14301392.

It is an arithmetic number, because the mean of its divisors is an integer number (2745677952).

Almost surely, 228229000457 is an apocalyptic number.

It is an amenable number.

28229000457 is a deficient number, since it is larger than the sum of its proper divisors (15701846775).

28229000457 is a wasteful number, since it uses less digits than its factorization.

28229000457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28600868.

The product of its (nonzero) digits is 80640, while the sum is 39.

The spelling of 28229000457 in words is "twenty-eight billion, two hundred twenty-nine million, four hundred fifty-seven", and thus it is an aban number.

Divisors: 1 3 7 21 47 141 329 987 28600811 85802433 200205677 600617031 1344238117 4032714351 9409666819 28229000457