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84930419 = 717827863
BaseRepresentation
bin1010000111111…
…10111101110011
312220210220122002
411003332331303
5133220233134
612232204215
72050616360
oct503767563
9186726562
1084930419
1143a39532
122453966b
13147985b2
14b3cb467
1576c987e
hex50fef73

84930419 has 16 divisors (see below), whose sum is σ = 103016448. Its totient is φ = 68353152.

The previous prime is 84930409. The next prime is 84930479. The reversal of 84930419 is 91403948.

It is not a de Polignac number, because 84930419 - 28 = 84930163 is a prime.

It is a super-2 number, since 2×849304192 = 14426352143031122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84930409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97982 + ... + 98844.

It is an arithmetic number, because the mean of its divisors is an integer number (6438528).

Almost surely, 284930419 is an apocalyptic number.

84930419 is a deficient number, since it is larger than the sum of its proper divisors (18086029).

84930419 is a wasteful number, since it uses less digits than its factorization.

84930419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1714.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 84930419 is about 9215.7701251713. The cubic root of 84930419 is about 439.5629596381.

The spelling of 84930419 in words is "eighty-four million, nine hundred thirty thousand, four hundred nineteen".

Divisors: 1 7 17 119 827 863 5789 6041 14059 14671 98413 102697 713701 4995907 12132917 84930419