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38874993 = 329446839
BaseRepresentation
bin1001010001001…
…0111101110001
32201011001110120
42110102331301
534422444433
63505120453
7651301113
oct224227561
981131416
1038874993
111aa423a3
1211029129
138091771
14523d3b3
15362d7b3
hex2512f71

38874993 has 8 divisors (see below), whose sum is σ = 53620800. Its totient is φ = 25022928.

The previous prime is 38874989. The next prime is 38875009. The reversal of 38874993 is 39947883.

38874993 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 not a de Polignac number, because 38874993 - 22 = 38874989 is a prime.

It is a super-2 number, since 2×388749932 = 3022530161500098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38873993) 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 7 ways as a sum of consecutive naturals, for example, 223333 + ... + 223506.

It is an arithmetic number, because the mean of its divisors is an integer number (6702600).

Almost surely, 238874993 is an apocalyptic number.

It is an amenable number.

38874993 is a deficient number, since it is larger than the sum of its proper divisors (14745807).

38874993 is a wasteful number, since it uses less digits than its factorization.

38874993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446871.

The product of its digits is 1306368, while the sum is 51.

The square root of 38874993 is about 6234.9813953211. The cubic root of 38874993 is about 338.7584272809.

The spelling of 38874993 in words is "thirty-eight million, eight hundred seventy-four thousand, nine hundred ninety-three".

Divisors: 1 3 29 87 446839 1340517 12958331 38874993