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38662161 = 313198377
BaseRepresentation
bin1001001101111…
…1000000010001
32200202020111220
42103133000101
534344142121
63500355253
7646423446
oct223370021
980666456
1038662161
111a9074aa
1210b45b29
138018925
1451c59cd
1535da6c6
hex24df011

38662161 has 8 divisors (see below), whose sum is σ = 51943584. Its totient is φ = 25577760.

The previous prime is 38662157. The next prime is 38662181. The reversal of 38662161 is 16126683.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 38662161 - 22 = 38662157 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38662111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48796 + ... + 49581.

It is an arithmetic number, because the mean of its divisors is an integer number (6492948).

Almost surely, 238662161 is an apocalyptic number.

It is an amenable number.

38662161 is a deficient number, since it is larger than the sum of its proper divisors (13281423).

38662161 is a wasteful number, since it uses less digits than its factorization.

38662161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98511.

The product of its digits is 10368, while the sum is 33.

The square root of 38662161 is about 6217.8903978761. The cubic root of 38662161 is about 338.1390864624.

The spelling of 38662161 in words is "thirty-eight million, six hundred sixty-two thousand, one hundred sixty-one".

Divisors: 1 3 131 393 98377 295131 12887387 38662161