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38625939 = 3211390161
BaseRepresentation
bin1001001101011…
…0001010010011
32200200101211100
42103112022103
534342012224
63455515443
7646213032
oct223261223
980611740
1038625939
111a892270
1210b28b83
1380052b1
1451b6719
1535ceac9
hex24d6293

38625939 has 12 divisors (see below), whose sum is σ = 60865272. Its totient is φ = 23409600.

The previous prime is 38625913. The next prime is 38625949. The reversal of 38625939 is 93952683.

It is not a de Polignac number, because 38625939 - 211 = 38623891 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38625894 and 38625903.

It is not an unprimeable number, because it can be changed into a prime (38625949) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 194982 + ... + 195179.

It is an arithmetic number, because the mean of its divisors is an integer number (5072106).

Almost surely, 238625939 is an apocalyptic number.

38625939 is a deficient number, since it is larger than the sum of its proper divisors (22239333).

38625939 is a wasteful number, since it uses less digits than its factorization.

38625939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390178 (or 390175 counting only the distinct ones).

The product of its digits is 349920, while the sum is 45.

The square root of 38625939 is about 6214.9769911079. The cubic root of 38625939 is about 338.0334543174.

It can be divided in two parts, 3862 and 5939, that added together give a square (9801 = 992).

The spelling of 38625939 in words is "thirty-eight million, six hundred twenty-five thousand, nine hundred thirty-nine".

Divisors: 1 3 9 11 33 99 390161 1170483 3511449 4291771 12875313 38625939