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38538814 = 219269407
BaseRepresentation
bin1001001100000…
…0111000111110
32200111222022111
42103000320332
534331220224
63454004234
7645401026
oct223007076
980458274
1038538814
111a832866
1210aa667a
137ca4742
145192a86
1535b3d94
hex24c0e3e

38538814 has 4 divisors (see below), whose sum is σ = 57808224. Its totient is φ = 19269406.

The previous prime is 38538769. The next prime is 38538833. The reversal of 38538814 is 41883583.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9634702 + ... + 9634705.

It is an arithmetic number, because the mean of its divisors is an integer number (14452056).

Almost surely, 238538814 is an apocalyptic number.

38538814 is a deficient number, since it is larger than the sum of its proper divisors (19269410).

38538814 is a wasteful number, since it uses less digits than its factorization.

38538814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19269409.

The product of its digits is 92160, while the sum is 40.

The square root of 38538814 is about 6207.9637563375. The cubic root of 38538814 is about 337.7791059296.

The spelling of 38538814 in words is "thirty-eight million, five hundred thirty-eight thousand, eight hundred fourteen".

Divisors: 1 2 19269407 38538814