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38934838 = 2197114431
BaseRepresentation
bin1001010010000…
…1100100110110
32201021002120001
42110201210312
534431403323
63510301514
7651640435
oct224414466
981232501
1038934838
111aa83358
121105789a
1380b2a87
14525711c
1536413ad
hex2521936

38934838 has 16 divisors (see below), whose sum is σ = 62346240. Its totient is φ = 18181800.

The previous prime is 38934829. The next prime is 38934887. The reversal of 38934838 is 83843983.

It is a super-2 number, since 2×389348382 = 3031843220172488, which contains 22 as substring.

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, 4518 + ... + 9913.

It is an arithmetic number, because the mean of its divisors is an integer number (3896640).

Almost surely, 238934838 is an apocalyptic number.

38934838 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

38934838 is a deficient number, since it is larger than the sum of its proper divisors (23411402).

38934838 is a wasteful number, since it uses less digits than its factorization.

38934838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14523.

The product of its digits is 497664, while the sum is 46.

The square root of 38934838 is about 6239.7786819726. The cubic root of 38934838 is about 338.9321688262.

The spelling of 38934838 in words is "thirty-eight million, nine hundred thirty-four thousand, eight hundred thirty-eight".

Divisors: 1 2 19 38 71 142 1349 2698 14431 28862 274189 548378 1024601 2049202 19467419 38934838