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38904486 = 2329223589
BaseRepresentation
bin1001010001101…
…0001010100110
32201012112220220
42110122022212
534424420421
63505505210
7651453105
oct224321246
981175826
1038904486
111aa62575
1211042206
1380a200a
14524a03c
1536373c6
hex251a2a6

38904486 has 16 divisors (see below), whose sum is σ = 80492400. Its totient is φ = 12520928.

The previous prime is 38904461. The next prime is 38904497. The reversal of 38904486 is 68440983.

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, 111621 + ... + 111968.

It is an arithmetic number, because the mean of its divisors is an integer number (5030775).

Almost surely, 238904486 is an apocalyptic number.

38904486 is an abundant number, since it is smaller than the sum of its proper divisors (41587914).

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

38904486 is a wasteful number, since it uses less digits than its factorization.

38904486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223623.

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 38904486 is about 6237.3460702449. The cubic root of 38904486 is about 338.8440733993.

The spelling of 38904486 in words is "thirty-eight million, nine hundred four thousand, four hundred eighty-six".

Divisors: 1 2 3 6 29 58 87 174 223589 447178 670767 1341534 6484081 12968162 19452243 38904486