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38690242 = 2147113151
BaseRepresentation
bin1001001110010…
…1110111000010
32200210200000221
42103211313002
534401041432
63501133254
7646601353
oct223456702
980720027
1038690242
111a926608
1210b5a22a
138028646
1451d1d2a
1535e3b97
hex24e5dc2

38690242 has 8 divisors (see below), whose sum is σ = 58079232. Its totient is φ = 19330500.

The previous prime is 38690231. The next prime is 38690261. The reversal of 38690242 is 24209683.

38690242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 38690198 and 38690207.

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, 3634 + ... + 9517.

It is an arithmetic number, because the mean of its divisors is an integer number (7259904).

Almost surely, 238690242 is an apocalyptic number.

38690242 is a deficient number, since it is larger than the sum of its proper divisors (19388990).

38690242 is a wasteful number, since it uses less digits than its factorization.

38690242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14624.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 38690242 is about 6220.1480689771. The cubic root of 38690242 is about 338.2209320836.

The spelling of 38690242 in words is "thirty-eight million, six hundred ninety thousand, two hundred forty-two".

Divisors: 1 2 1471 2942 13151 26302 19345121 38690242