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8439074 = 27286113
BaseRepresentation
bin100000001100…
…010100100010
3120212202020022
4200030110202
54130022244
6500513442
7131505500
oct40142442
916782208
108439074
114844446
1229ab882
131996247
141199670
15b1a6ee
hex80c522

8439074 has 12 divisors (see below), whose sum is σ = 14725494. Its totient is φ = 3616704.

The previous prime is 8439073. The next prime is 8439103. The reversal of 8439074 is 4709348.

It can be written as a sum of positive squares in only one way, i.e., 8439025 + 49 = 2905^2 + 7^2 .

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8439073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42959 + ... + 43154.

Almost surely, 28439074 is an apocalyptic number.

8439074 is a deficient number, since it is larger than the sum of its proper divisors (6286420).

8439074 is a wasteful number, since it uses less digits than its factorization.

8439074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86129 (or 86122 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 8439074 is about 2905.0084337227. The cubic root of 8439074 is about 203.5939796970.

The spelling of 8439074 in words is "eight million, four hundred thirty-nine thousand, seventy-four".

Divisors: 1 2 7 14 49 98 86113 172226 602791 1205582 4219537 8439074