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38500816 = 245694229
BaseRepresentation
bin1001001011011…
…1100111010000
32200110001012011
42102313213100
534324011231
63453112304
7645152164
oct222674720
980401164
1038500816
111a807262
1210a88694
137c90363
145182ca4
1535a79b1
hex24b79d0

38500816 has 20 divisors (see below), whose sum is σ = 74744100. Its totient is φ = 19212032.

The previous prime is 38500807. The next prime is 38500823. The reversal of 38500816 is 61800583.

38500816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 25969216 + 12531600 = 5096^2 + 3540^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6990 + ... + 11218.

It is an arithmetic number, because the mean of its divisors is an integer number (3737205).

Almost surely, 238500816 is an apocalyptic number.

It is an amenable number.

38500816 is a deficient number, since it is larger than the sum of its proper divisors (36243284).

38500816 is a wasteful number, since it uses less digits than its factorization.

38500816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4806 (or 4800 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 38500816 is about 6204.9025778009. The cubic root of 38500816 is about 337.6680564039.

The spelling of 38500816 in words is "thirty-eight million, five hundred thousand, eight hundred sixteen".

Divisors: 1 2 4 8 16 569 1138 2276 4229 4552 8458 9104 16916 33832 67664 2406301 4812602 9625204 19250408 38500816