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84300993 = 347157947
BaseRepresentation
bin1010000011001…
…01010011000001
312212121221020000
411001211103001
5133040112433
612210510213
72042355330
oct501452301
9185557200
1084300993
1143649647
1224295369
1314607c5a
14b2a5d17
157603113
hex50654c1

84300993 has 40 divisors (see below), whose sum is σ = 144990912. Its totient is φ = 47814624.

The previous prime is 84300971. The next prime is 84301037. The reversal of 84300993 is 39900348.

It is not a de Polignac number, because 84300993 - 28 = 84300737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84300493) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 88546 + ... + 89492.

Almost surely, 284300993 is an apocalyptic number.

It is an amenable number.

84300993 is a deficient number, since it is larger than the sum of its proper divisors (60689919).

84300993 is a wasteful number, since it uses less digits than its factorization.

84300993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123 (or 1114 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 84300993 is about 9181.5572208640. The cubic root of 84300993 is about 438.4743874990.

The spelling of 84300993 in words is "eighty-four million, three hundred thousand, nine hundred ninety-three".

Divisors: 1 3 7 9 21 27 63 81 157 189 471 567 947 1099 1413 2841 3297 4239 6629 8523 9891 12717 19887 25569 29673 59661 76707 89019 148679 178983 446037 536949 1040753 1338111 3122259 4014333 9366777 12042999 28100331 84300993