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84413081 = 476129443
BaseRepresentation
bin1010000100000…
…00101010011001
312212211121222102
411002000222121
5133102204311
612213133145
72043333164
oct502005231
9185747872
1084413081
1143715885
122432a1b5
1314646c8c
14b2d4adb
15762643b
hex5080a99

84413081 has 8 divisors (see below), whose sum is σ = 87625344. Its totient is φ = 81259920.

The previous prime is 84413051. The next prime is 84413083. The reversal of 84413081 is 18031448.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 84413081 - 210 = 84412057 is a prime.

It is a super-2 number, since 2×844130812 = 14251136487825122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84413083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11855 + ... + 17588.

It is an arithmetic number, because the mean of its divisors is an integer number (10953168).

Almost surely, 284413081 is an apocalyptic number.

It is an amenable number.

84413081 is a deficient number, since it is larger than the sum of its proper divisors (3212263).

84413081 is a wasteful number, since it uses less digits than its factorization.

84413081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29551.

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 84413081 is about 9187.6591686893. The cubic root of 84413081 is about 438.6686357079.

The spelling of 84413081 in words is "eighty-four million, four hundred thirteen thousand, eighty-one".

Divisors: 1 47 61 2867 29443 1383821 1796023 84413081