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84083407 = 149956093
BaseRepresentation
bin1010000001100…
…00001011001111
312212012212202021
411000300023033
5133011132112
612202111011
72040461062
oct500601317
9185185667
1084083407
1143510121
12241ab467
131455cbc5
14b24a8d9
1575ad907
hex50302cf

84083407 has 4 divisors (see below), whose sum is σ = 84141000. Its totient is φ = 84025816.

The previous prime is 84083401. The next prime is 84083431. The reversal of 84083407 is 70438048.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-84083407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84083401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26548 + ... + 29545.

It is an arithmetic number, because the mean of its divisors is an integer number (21035250).

Almost surely, 284083407 is an apocalyptic number.

84083407 is a deficient number, since it is larger than the sum of its proper divisors (57593).

84083407 is a wasteful number, since it uses less digits than its factorization.

84083407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57592.

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 84083407 is about 9169.7004858392. The cubic root of 84083407 is about 438.0968194325.

The spelling of 84083407 in words is "eighty-four million, eighty-three thousand, four hundred seven".

Divisors: 1 1499 56093 84083407