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84455331 = 378735771
BaseRepresentation
bin1010000100010…
…10111110100011
312212220202221020
411002022332203
5133110032311
612214100523
72043600312
oct502127643
9185822836
1084455331
11437445a4
122434a743
131466028c
14b306279
157633c06
hex508afa3

84455331 has 8 divisors (see below), whose sum is σ = 112753344. Its totient is φ = 56230440.

The previous prime is 84455321. The next prime is 84455339. The reversal of 84455331 is 13355448.

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

It is not a de Polignac number, because 84455331 - 25 = 84455299 is a prime.

It is a super-2 number, since 2×844553312 = 14265405868639122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 84455292 and 84455301.

It is not an unprimeable number, because it can be changed into a prime (84455339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15525 + ... + 20246.

It is an arithmetic number, because the mean of its divisors is an integer number (14094168).

Almost surely, 284455331 is an apocalyptic number.

84455331 is a deficient number, since it is larger than the sum of its proper divisors (28298013).

84455331 is a wasteful number, since it uses less digits than its factorization.

84455331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36561.

The product of its digits is 28800, while the sum is 33.

The square root of 84455331 is about 9189.9581609494. The cubic root of 84455331 is about 438.7418102220.

The spelling of 84455331 in words is "eighty-four million, four hundred fifty-five thousand, three hundred thirty-one".

Divisors: 1 3 787 2361 35771 107313 28151777 84455331