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84101705 = 516820341
BaseRepresentation
bin1010000001101…
…00101001001001
312212020210211222
411000310221021
5133012223310
612202331425
72040565322
oct500645111
9185223758
1084101705
1143522946
12241b9b75
131456832c
14b253449
1575b4055
hex5034a49

84101705 has 4 divisors (see below), whose sum is σ = 100922052. Its totient is φ = 67281360.

The previous prime is 84101651. The next prime is 84101713. The reversal of 84101705 is 50710148.

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

It can be written as a sum of positive squares in 2 ways, for example, as 23464336 + 60637369 = 4844^2 + 7787^2 .

It is not a de Polignac number, because 84101705 - 28 = 84101449 is a prime.

It is a Duffinian number.

It is a Curzon number.

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, 8410166 + ... + 8410175.

It is an arithmetic number, because the mean of its divisors is an integer number (25230513).

Almost surely, 284101705 is an apocalyptic number.

It is an amenable number.

84101705 is a deficient number, since it is larger than the sum of its proper divisors (16820347).

84101705 is a wasteful number, since it uses less digits than its factorization.

84101705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16820346.

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 84101705 is about 9170.6981740760. The cubic root of 84101705 is about 438.1285962696.

The spelling of 84101705 in words is "eighty-four million, one hundred one thousand, seven hundred five".

Divisors: 1 5 16820341 84101705