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84554427 = 3191483411
BaseRepresentation
bin1010000101000…
…11001010111011
312220002210212110
411002203022323
5133121220202
612220143403
72044462236
oct502431273
9186083773
1084554427
1143801aa1
1224397b63
1314696409
14b33041d
15765326c
hex50a32bb

84554427 has 8 divisors (see below), whose sum is σ = 118672960. Its totient is φ = 53402760.

The previous prime is 84554419. The next prime is 84554497. The reversal of 84554427 is 72445548.

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

It is not a de Polignac number, because 84554427 - 23 = 84554419 is a prime.

It is a super-2 number, since 2×845544272 = 14298902250596658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84554497) 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, 741649 + ... + 741762.

It is an arithmetic number, because the mean of its divisors is an integer number (14834120).

Almost surely, 284554427 is an apocalyptic number.

84554427 is a deficient number, since it is larger than the sum of its proper divisors (34118533).

84554427 is a wasteful number, since it uses less digits than its factorization.

84554427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1483433.

The product of its digits is 179200, while the sum is 39.

The square root of 84554427 is about 9195.3481173907. The cubic root of 84554427 is about 438.9133429685.

The spelling of 84554427 in words is "eighty-four million, five hundred fifty-four thousand, four hundred twenty-seven".

Divisors: 1 3 19 57 1483411 4450233 28184809 84554427