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38860490 = 253886049
BaseRepresentation
bin1001010000111…
…1011011001010
32201010022120102
42110033123022
534422013430
63504525402
7651210614
oct224173312
981108512
1038860490
111aa32509
1211020862
138087c96
145237db4
153629345
hex250f6ca

38860490 has 8 divisors (see below), whose sum is σ = 69948900. Its totient is φ = 15544192.

The previous prime is 38860489. The next prime is 38860499. The reversal of 38860490 is 9406883.

38860490 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 38850289 + 10201 = 6233^2 + 101^2 .

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

It is not an unprimeable number, because it can be changed into a prime (38860499) by changing a digit.

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, 1943015 + ... + 1943034.

Almost surely, 238860490 is an apocalyptic number.

38860490 is a deficient number, since it is larger than the sum of its proper divisors (31088410).

38860490 is a wasteful number, since it uses less digits than its factorization.

38860490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3886056.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 38860490 is about 6233.8182520827. The cubic root of 38860490 is about 338.7162954443.

The spelling of 38860490 in words is "thirty-eight million, eight hundred sixty thousand, four hundred ninety".

Divisors: 1 2 5 10 3886049 7772098 19430245 38860490