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84339020 = 2254216951
BaseRepresentation
bin1010000011011…
…10100101001100
312212200212101102
411001232211030
5133042322040
612211402232
72042604233
oct501564514
9185625342
1084339020
1143675177
12242b3378
131461c35c
14b2b5b1a
15760e515
hex506e94c

84339020 has 12 divisors (see below), whose sum is σ = 177111984. Its totient is φ = 33735600.

The previous prime is 84339001. The next prime is 84339053. The reversal of 84339020 is 2093348.

It is a super-2 number, since 2×843390202 = 14226140589120800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2108456 + ... + 2108495.

It is an arithmetic number, because the mean of its divisors is an integer number (14759332).

Almost surely, 284339020 is an apocalyptic number.

It is an amenable number.

84339020 is an abundant number, since it is smaller than the sum of its proper divisors (92772964).

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

84339020 is a wasteful number, since it uses less digits than its factorization.

84339020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4216960 (or 4216958 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 84339020 is about 9183.6278234693. The cubic root of 84339020 is about 438.5403074779.

The spelling of 84339020 in words is "eighty-four million, three hundred thirty-nine thousand, twenty".

Divisors: 1 2 4 5 10 20 4216951 8433902 16867804 21084755 42169510 84339020