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38120039 = 232576449
BaseRepresentation
bin1001000101101…
…0101001100111
32122201200212022
42101122221213
534224320124
63441013355
7642005066
oct221325147
978650768
1038120039
111a577171
121092425b
137b88c49
1450c41dd
15352ec5e
hex245aa67

38120039 has 8 divisors (see below), whose sum is σ = 39938400. Its totient is φ = 36315136.

The previous prime is 38119999. The next prime is 38120051. The reversal of 38120039 is 93002183.

38120039 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 a cyclic number.

It is not a de Polignac number, because 38120039 - 216 = 38054503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31120039) 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, 2687 + ... + 9135.

It is an arithmetic number, because the mean of its divisors is an integer number (4992300).

Almost surely, 238120039 is an apocalyptic number.

38120039 is a deficient number, since it is larger than the sum of its proper divisors (1818361).

38120039 is a wasteful number, since it uses less digits than its factorization.

38120039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6729.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 38120039 is about 6174.1427745072. The cubic root of 38120039 is about 336.5511757355.

The spelling of 38120039 in words is "thirty-eight million, one hundred twenty thousand, thirty-nine".

Divisors: 1 23 257 5911 6449 148327 1657393 38120039