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84749006 = 21919711321
BaseRepresentation
bin1010000110100…
…10101011001110
312220110200210002
411003102223032
5133143432011
612224244302
72046232436
oct503225316
9186420702
1084749006
1143925201
1224470692
1314733b54
14b3812c6
157690c3b
hex50d2ace

84749006 has 16 divisors (see below), whose sum is σ = 134505360. Its totient is φ = 39936960.

The previous prime is 84749003. The next prime is 84749011. The reversal of 84749006 is 60094748.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84749003) 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, 1826 + ... + 13146.

It is an arithmetic number, because the mean of its divisors is an integer number (8406585).

Almost surely, 284749006 is an apocalyptic number.

84749006 is a deficient number, since it is larger than the sum of its proper divisors (49756354).

84749006 is a wasteful number, since it uses less digits than its factorization.

84749006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11539.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 84749006 is about 9205.9223329333. The cubic root of 84749006 is about 439.2497649048.

The spelling of 84749006 in words is "eighty-four million, seven hundred forty-nine thousand, six".

Divisors: 1 2 19 38 197 394 3743 7486 11321 22642 215099 430198 2230237 4460474 42374503 84749006