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38938958 = 228516829
BaseRepresentation
bin1001010010001…
…0100101001110
32201021022012122
42110202211032
534432021313
63510332542
7651655442
oct224424516
981238178
1038938958
111aa86463
121105a152
1380b4906
145258822
153642708
hex252294e

38938958 has 8 divisors (see below), whose sum is σ = 58437480. Its totient is φ = 19459800.

The previous prime is 38938957. The next prime is 38938969. The reversal of 38938958 is 85983983.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38938957) by changing a digit.

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, 2288 + ... + 9116.

It is an arithmetic number, because the mean of its divisors is an integer number (7304685).

Almost surely, 238938958 is an apocalyptic number.

38938958 is a deficient number, since it is larger than the sum of its proper divisors (19498522).

38938958 is a wasteful number, since it uses less digits than its factorization.

38938958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9682.

The product of its digits is 1866240, while the sum is 53.

The square root of 38938958 is about 6240.1088131538. The cubic root of 38938958 is about 338.9441234265.

The spelling of 38938958 in words is "thirty-eight million, nine hundred thirty-eight thousand, nine hundred fifty-eight".

Divisors: 1 2 2851 5702 6829 13658 19469479 38938958