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84712074 = 23294391109
BaseRepresentation
bin1010000110010…
…01101010001010
312220101211010020
411003021222022
5133141241244
612223401310
72046016656
oct503115212
9186354106
1084712074
11438aa487
1224453236
13147200b5
14b371a66
157684d19
hex50c9a8a

84712074 has 32 divisors (see below), whose sum is σ = 175824000. Its totient is φ = 27177024.

The previous prime is 84712031. The next prime is 84712081. The reversal of 84712074 is 47021748.

It is a super-2 number, since 2×847120742 = 14352270962762952, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75832 + ... + 76940.

It is an arithmetic number, because the mean of its divisors is an integer number (5494500).

Almost surely, 284712074 is an apocalyptic number.

84712074 is an abundant number, since it is smaller than the sum of its proper divisors (91111926).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84712074 is a wasteful number, since it uses less digits than its factorization.

84712074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1582.

The product of its (nonzero) digits is 12544, while the sum is 33.

The square root of 84712074 is about 9203.9162316918. The cubic root of 84712074 is about 439.1859500783.

It can be divided in two parts, 847 and 12074, that added together give a palindrome (12921).

The spelling of 84712074 in words is "eighty-four million, seven hundred twelve thousand, seventy-four".

Divisors: 1 2 3 6 29 58 87 174 439 878 1109 1317 2218 2634 3327 6654 12731 25462 32161 38193 64322 76386 96483 192966 486851 973702 1460553 2921106 14118679 28237358 42356037 84712074