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38231377 = 83460619
BaseRepresentation
bin1001000111010…
…1110101010001
32122221100120221
42101311311101
534241401002
63443233041
7642650512
oct221656521
978840527
1038231377
111a642888
1210978781
137bc7822
145112a09
153552c37
hex2475d51

38231377 has 4 divisors (see below), whose sum is σ = 38692080. Its totient is φ = 37770676.

The previous prime is 38231353. The next prime is 38231399. The reversal of 38231377 is 77313283.

38231377 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-38231377 is a prime.

It is a super-2 number, since 2×382313772 = 2923276374632258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38231777) 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 3 ways as a sum of consecutive naturals, for example, 230227 + ... + 230392.

It is an arithmetic number, because the mean of its divisors is an integer number (9673020).

Almost surely, 238231377 is an apocalyptic number.

It is an amenable number.

38231377 is a deficient number, since it is larger than the sum of its proper divisors (460703).

38231377 is an equidigital number, since it uses as much as digits as its factorization.

38231377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460702.

The product of its digits is 21168, while the sum is 34.

The square root of 38231377 is about 6183.1526748092. The cubic root of 38231377 is about 336.8785146203.

The spelling of 38231377 in words is "thirty-eight million, two hundred thirty-one thousand, three hundred seventy-seven".

Divisors: 1 83 460619 38231377