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84069473 = 562314951
BaseRepresentation
bin1010000001011…
…00110001100001
312212012011122012
411000230301201
5133010210343
612201522305
72040402335
oct500546141
9185164565
1084069473
1143500704
12241a3395
1314556767
14b2457c5
1575a9718
hex502cc61

84069473 has 4 divisors (see below), whose sum is σ = 84090048. Its totient is φ = 84048900.

The previous prime is 84069457. The next prime is 84069487. The reversal of 84069473 is 37496048.

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 a cyclic number.

It is not a de Polignac number, because 84069473 - 24 = 84069457 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 84069473.

It is not an unprimeable number, because it can be changed into a prime (84069443) 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, 1853 + ... + 13098.

It is an arithmetic number, because the mean of its divisors is an integer number (21022512).

Almost surely, 284069473 is an apocalyptic number.

It is an amenable number.

84069473 is a deficient number, since it is larger than the sum of its proper divisors (20575).

84069473 is a wasteful number, since it uses less digits than its factorization.

84069473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20574.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 84069473 is about 9168.9406694558. The cubic root of 84069473 is about 438.0726181522.

The spelling of 84069473 in words is "eighty-four million, sixty-nine thousand, four hundred seventy-three".

Divisors: 1 5623 14951 84069473