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38968771 = 54172031
BaseRepresentation
bin1001010010100…
…1110111000011
32201022211002211
42110221313003
534434000041
63511122551
7652141402
oct224516703
981284084
1038968771
111aaa68a6
1211073457
1380c535a
145265639
15364b481
hex2529dc3

38968771 has 4 divisors (see below), whose sum is σ = 39041344. Its totient is φ = 38896200.

The previous prime is 38968759. The next prime is 38968801. The reversal of 38968771 is 17786983.

38968771 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.

It is a cyclic number.

It is not a de Polignac number, because 38968771 - 223 = 30580163 is a prime.

It is a super-2 number, since 2×389687712 = 3037130226500882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38968751) 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, 35475 + ... + 36556.

It is an arithmetic number, because the mean of its divisors is an integer number (9760336).

Almost surely, 238968771 is an apocalyptic number.

38968771 is a deficient number, since it is larger than the sum of its proper divisors (72573).

38968771 is an equidigital number, since it uses as much as digits as its factorization.

38968771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72572.

The product of its digits is 508032, while the sum is 49.

The square root of 38968771 is about 6242.4971766113. The cubic root of 38968771 is about 339.0306037697.

The spelling of 38968771 in words is "thirty-eight million, nine hundred sixty-eight thousand, seven hundred seventy-one".

Divisors: 1 541 72031 38968771