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84970054 = 2133268079
BaseRepresentation
bin1010001000010…
…00101001000110
312220212221000001
411010020221012
5133223020204
612233111514
72051143051
oct504105106
9186787001
1084970054
1143a66294
122455859a
13147b0650
14b3dba98
1576d64a4
hex5108a46

84970054 has 8 divisors (see below), whose sum is σ = 137259360. Its totient is φ = 39216936.

The previous prime is 84970043. The next prime is 84970057. The reversal of 84970054 is 45007948.

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

It is a junction number, because it is equal to n+sod(n) for n = 84969995 and 84970022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84970057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1634014 + ... + 1634065.

It is an arithmetic number, because the mean of its divisors is an integer number (17157420).

Almost surely, 284970054 is an apocalyptic number.

84970054 is a deficient number, since it is larger than the sum of its proper divisors (52289306).

84970054 is a wasteful number, since it uses less digits than its factorization.

84970054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3268094.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 84970054 is about 9217.9202643546. The cubic root of 84970054 is about 439.6313268524.

The spelling of 84970054 in words is "eighty-four million, nine hundred seventy thousand, fifty-four".

Divisors: 1 2 13 26 3268079 6536158 42485027 84970054