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84305388 = 22337189877
BaseRepresentation
bin1010000011001…
…10010111101100
312212122011020210
411001212113230
5133040233023
612210542420
72042404206
oct501462754
9185564223
1084305388
1143651982
1224297a10
1314609c5b
14b2a7776
157604593
hex50665ec

84305388 has 24 divisors (see below), whose sum is σ = 202030192. Its totient is φ = 27342144.

The previous prime is 84305387. The next prime is 84305401. The reversal of 84305388 is 88350348.

It is not an unprimeable number, because it can be changed into a prime (84305381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94495 + ... + 95382.

Almost surely, 284305388 is an apocalyptic number.

It is an amenable number.

84305388 is an abundant number, since it is smaller than the sum of its proper divisors (117724804).

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

84305388 is a wasteful number, since it uses less digits than its factorization.

84305388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189921 (or 189919 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 84305388 is about 9181.7965562302. The cubic root of 84305388 is about 438.4820072647.

The spelling of 84305388 in words is "eighty-four million, three hundred five thousand, three hundred eighty-eight".

Divisors: 1 2 3 4 6 12 37 74 111 148 222 444 189877 379754 569631 759508 1139262 2278524 7025449 14050898 21076347 28101796 42152694 84305388