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38668089 = 329343991
BaseRepresentation
bin1001001110000…
…0011100111001
32200202112122110
42103200130321
534344334324
63500442533
7646446645
oct223403471
980675573
1038668089
111a9109a9
1210b49449
13801b535
1451c7c25
1535dc329
hex24e0739

38668089 has 8 divisors (see below), whose sum is σ = 51734592. Its totient is φ = 25690160.

The previous prime is 38668079. The next prime is 38668093. The reversal of 38668089 is 98086683.

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 38668089 - 24 = 38668073 is a prime.

It is a super-2 number, since 2×386680892 = 2990442213823842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38668079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21117 + ... + 22874.

It is an arithmetic number, because the mean of its divisors is an integer number (6466824).

Almost surely, 238668089 is an apocalyptic number.

It is an amenable number.

38668089 is a deficient number, since it is larger than the sum of its proper divisors (13066503).

38668089 is a wasteful number, since it uses less digits than its factorization.

38668089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44287.

The product of its (nonzero) digits is 497664, while the sum is 48.

The square root of 38668089 is about 6218.3670686121. The cubic root of 38668089 is about 338.1563676663.

The spelling of 38668089 in words is "thirty-eight million, six hundred sixty-eight thousand, eighty-nine".

Divisors: 1 3 293 879 43991 131973 12889363 38668089