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38940558 = 236490093
BaseRepresentation
bin1001010010001…
…0111110001110
32201021101101220
42110202332032
534432044213
63510344210
7651663216
oct224427616
981241356
1038940558
111aa87688
121105b066
1380b5567
145259246
153642e23
hex2522f8e

38940558 has 8 divisors (see below), whose sum is σ = 77881128. Its totient is φ = 12980184.

The previous prime is 38940547. The next prime is 38940563. The reversal of 38940558 is 85504983.

38940558 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.

38940558 is an admirable number.

It is a super-3 number, since 3×389405583 (a number of 24 digits) contains 333 as substring.

It is a congruent number.

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, 3245041 + ... + 3245052.

It is an arithmetic number, because the mean of its divisors is an integer number (9735141).

Almost surely, 238940558 is an apocalyptic number.

38940558 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38940558 is a wasteful number, since it uses less digits than its factorization.

38940558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6490098.

The product of its (nonzero) digits is 172800, while the sum is 42.

The square root of 38940558 is about 6240.2370147295. The cubic root of 38940558 is about 338.9487657625.

The spelling of 38940558 in words is "thirty-eight million, nine hundred forty thousand, five hundred fifty-eight".

Divisors: 1 2 3 6 6490093 12980186 19470279 38940558