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38693894 = 243449929
BaseRepresentation
bin1001001110011…
…0110000000110
32200210212001012
42103212300012
534401201034
63501202222
7646615121
oct223466006
980725035
1038693894
111a929328
1210b60372
13802a1c5
1451d33b8
1535e4cce
hex24e6c06

38693894 has 8 divisors (see below), whose sum is σ = 59390760. Its totient is φ = 18896976.

The previous prime is 38693881. The next prime is 38693903. The reversal of 38693894 is 49839683.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 224879 + ... + 225050.

It is an arithmetic number, because the mean of its divisors is an integer number (7423845).

Almost surely, 238693894 is an apocalyptic number.

38693894 is a deficient number, since it is larger than the sum of its proper divisors (20696866).

38693894 is a wasteful number, since it uses less digits than its factorization.

38693894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449974.

The product of its digits is 1119744, while the sum is 50.

The square root of 38693894 is about 6220.4416241936. The cubic root of 38693894 is about 338.2315733885.

The spelling of 38693894 in words is "thirty-eight million, six hundred ninety-three thousand, eight hundred ninety-four".

Divisors: 1 2 43 86 449929 899858 19346947 38693894