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38864017 = 163723741
BaseRepresentation
bin1001010001000…
…0010010010001
32201010111102001
42110100102101
534422122032
63504554001
7651224113
oct224202221
981114361
1038864017
111aa35125
1211022901
13808977a
1452393b3
15362a3e7
hex2510491

38864017 has 4 divisors (see below), whose sum is σ = 38889396. Its totient is φ = 38838640.

The previous prime is 38864011. The next prime is 38864027. The reversal of 38864017 is 71046883.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21566736 + 17297281 = 4644^2 + 4159^2 .

It is a cyclic number.

It is not a de Polignac number, because 38864017 - 23 = 38864009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38864011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10234 + ... + 13507.

It is an arithmetic number, because the mean of its divisors is an integer number (9722349).

Almost surely, 238864017 is an apocalyptic number.

It is an amenable number.

38864017 is a deficient number, since it is larger than the sum of its proper divisors (25379).

38864017 is a wasteful number, since it uses less digits than its factorization.

38864017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25378.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 38864017 is about 6234.1011380952. The cubic root of 38864017 is about 338.7265424950.

The spelling of 38864017 in words is "thirty-eight million, eight hundred sixty-four thousand, seventeen".

Divisors: 1 1637 23741 38864017