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38334990 = 2351277833
BaseRepresentation
bin1001001000111…
…1001000001110
32200010121201110
42102033020032
534303204430
63445352450
7643561551
oct222171016
980117643
1038334990
111a703711
1210a08726
137c32a35
14513c698
1535737b0
hex248f20e

38334990 has 16 divisors (see below), whose sum is σ = 92004048. Its totient is φ = 10222656.

The previous prime is 38334977. The next prime is 38335007. The reversal of 38334990 is 9943383.

It is a Curzon number.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 638887 + ... + 638946.

It is an arithmetic number, because the mean of its divisors is an integer number (5750253).

Almost surely, 238334990 is an apocalyptic number.

38334990 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

38334990 is an abundant number, since it is smaller than the sum of its proper divisors (53669058).

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

38334990 is a wasteful number, since it uses less digits than its factorization.

38334990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1277843.

The product of its (nonzero) digits is 69984, while the sum is 39.

The square root of 38334990 is about 6191.5256601261. The cubic root of 38334990 is about 337.1825712269.

The spelling of 38334990 in words is "thirty-eight million, three hundred thirty-four thousand, nine hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 1277833 2555666 3833499 6389165 7666998 12778330 19167495 38334990