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84805293 = 328268431
BaseRepresentation
bin1010000111000…
…00011010101101
312220120112222210
411003200122231
5133202232133
612225401033
72046555516
oct503403255
9186515883
1084805293
1143963521
1224499179
1314753661
14b397a0d
1576a2763
hex50e06ad

84805293 has 4 divisors (see below), whose sum is σ = 113073728. Its totient is φ = 56536860.

The previous prime is 84805289. The next prime is 84805313. The reversal of 84805293 is 39250848.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 84805293 - 22 = 84805289 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 (84805213) 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, 14134213 + ... + 14134218.

It is an arithmetic number, because the mean of its divisors is an integer number (28268432).

Almost surely, 284805293 is an apocalyptic number.

It is an amenable number.

84805293 is a deficient number, since it is larger than the sum of its proper divisors (28268435).

84805293 is a wasteful number, since it uses less digits than its factorization.

84805293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28268434.

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 84805293 is about 9208.9789336278. The cubic root of 84805293 is about 439.3469875985.

The spelling of 84805293 in words is "eighty-four million, eight hundred five thousand, two hundred ninety-three".

Divisors: 1 3 28268431 84805293