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84740892 = 22322331667
BaseRepresentation
bin1010000110100…
…00101100011100
312220110021122120
411003100230130
5133143202032
612224142540
72046166665
oct503205434
9186407576
1084740892
114391a0a5
1224467a50
1314730252
14b37c36c
15768d62c
hex50d0b1c

84740892 has 24 divisors (see below), whose sum is σ = 198621696. Its totient is φ = 28119408.

The previous prime is 84740879. The next prime is 84740899. The reversal of 84740892 is 29804748.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84740899) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 13158 + ... + 18509.

It is an arithmetic number, because the mean of its divisors is an integer number (8275904).

Almost surely, 284740892 is an apocalyptic number.

It is an amenable number.

84740892 is an abundant number, since it is smaller than the sum of its proper divisors (113880804).

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

84740892 is a wasteful number, since it uses less digits than its factorization.

84740892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31897 (or 31895 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 84740892 is about 9205.4816278129. The cubic root of 84740892 is about 439.2357463084.

The spelling of 84740892 in words is "eighty-four million, seven hundred forty thousand, eight hundred ninety-two".

Divisors: 1 2 3 4 6 12 223 446 669 892 1338 2676 31667 63334 95001 126668 190002 380004 7061741 14123482 21185223 28246964 42370446 84740892