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1889353248 = 25329678647
BaseRepresentation
bin111000010011101…
…0011111000100000
311212200011002102020
41300213103320200
512332133300443
6511251221440
764551144336
oct16047237040
94780132366
101889353248
1188a544072
124488a7880
13241576803
1413ccd5b56
15b0d08583
hex709d3e20

1889353248 has 48 divisors (see below), whose sum is σ = 5130578880. Its totient is φ = 608066816.

The previous prime is 1889353231. The next prime is 1889353289. The reversal of 1889353248 is 8423539881.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 1889353248.

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, 336540 + ... + 342107.

It is an arithmetic number, because the mean of its divisors is an integer number (106887060).

Almost surely, 21889353248 is an apocalyptic number.

It is an amenable number.

1889353248 is an abundant number, since it is smaller than the sum of its proper divisors (3241225632).

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

1889353248 is a wasteful number, since it uses less digits than its factorization.

1889353248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678689 (or 678681 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 51.

The square root of 1889353248 is about 43466.6912474368. The cubic root of 1889353248 is about 1236.2445447783.

The spelling of 1889353248 in words is "one billion, eight hundred eighty-nine million, three hundred fifty-three thousand, two hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 29 32 48 58 87 96 116 174 232 348 464 696 928 1392 2784 678647 1357294 2035941 2714588 4071882 5429176 8143764 10858352 16287528 19680763 21716704 32575056 39361526 59042289 65150112 78723052 118084578 157446104 236169156 314892208 472338312 629784416 944676624 1889353248