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4289538384 = 24343309829
BaseRepresentation
bin1111111110101101…
…0010100101010000
3102001221112010110000
43333223102211100
532241110212014
61545351410000
7211204321545
oct37753224520
912057463400
104289538384
11190137274a
129b8683900
135348c87c1
142c99a2bcc
151a18b9509
hexffad2950

4289538384 has 50 divisors (see below), whose sum is σ = 12415172330. Its totient is φ = 1429845696.

The previous prime is 4289538371. The next prime is 4289538403. The reversal of 4289538384 is 4838359824.

4289538384 is a `hidden beast` number, since 4 + 28 + 9 + 538 + 3 + 84 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4092416784 + 197121600 = 63972^2 + 14040^2 .

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 4289538384.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1653619 + ... + 1656210.

Almost surely, 24289538384 is an apocalyptic number.

It is an amenable number.

4289538384 is an abundant number, since it is smaller than the sum of its proper divisors (8125633946).

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

4289538384 is a wasteful number, since it uses less digits than its factorization.

4289538384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3309849 (or 3309834 counting only the distinct ones).

The product of its digits is 6635520, while the sum is 54.

The square root of 4289538384 is about 65494.5675915186. The cubic root of 4289538384 is about 1624.8135024155.

The spelling of 4289538384 in words is "four billion, two hundred eighty-nine million, five hundred thirty-eight thousand, three hundred eighty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 81 108 144 162 216 324 432 648 1296 3309829 6619658 9929487 13239316 19858974 26478632 29788461 39717948 52957264 59576922 79435896 89365383 119153844 158871792 178730766 238307688 268096149 357461532 476615376 536192298 714923064 1072384596 1429846128 2144769192 4289538384