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84744748 = 22117127127
BaseRepresentation
bin1010000110100…
…01101000101100
312220110110221101
411003101220230
5133143312443
612224212444
72046214144
oct503215054
9186413841
1084744748
1143921a90
122446a124
1314731c2a
14b37d924
15768e84d
hex50d1a2c

84744748 has 24 divisors (see below), whose sum is σ = 164070144. Its totient is φ = 37976400.

The previous prime is 84744739. The next prime is 84744761.

84744748 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 84744698 and 84744707.

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 7 ways as a sum of consecutive naturals, for example, 10440 + ... + 16687.

It is an arithmetic number, because the mean of its divisors is an integer number (6836256).

Almost surely, 284744748 is an apocalyptic number.

It is an amenable number.

84744748 is a deficient number, since it is larger than the sum of its proper divisors (79325396).

84744748 is a wasteful number, since it uses less digits than its factorization.

84744748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27213 (or 27211 counting only the distinct ones).

The product of its digits is 802816, while the sum is 46.

The square root of 84744748 is about 9205.6910658570. The cubic root of 84744748 is about 439.2424084495.

The spelling of 84744748 in words is "eighty-four million, seven hundred forty-four thousand, seven hundred forty-eight".

Divisors: 1 2 4 11 22 44 71 142 284 781 1562 3124 27127 54254 108508 298397 596794 1193588 1926017 3852034 7704068 21186187 42372374 84744748