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38104411 = 213117881
BaseRepresentation
bin1001000101011…
…0110101011011
32122200220102111
42101112311123
534223320121
63440413151
7641611402
oct221266533
978626374
1038104411
111a566454
12109171b7
137b81ab7
1450bc639
15352a2e1
hex2456d5b

38104411 has 4 divisors (see below), whose sum is σ = 38124424. Its totient is φ = 38084400.

The previous prime is 38104379. The next prime is 38104421. The reversal of 38104411 is 11440183.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11440183 = 67170749.

It is a cyclic number.

It is not a de Polignac number, because 38104411 - 25 = 38104379 is a prime.

It is a super-2 number, since 2×381044112 = 2903892275313842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38104421) 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, 6810 + ... + 11071.

It is an arithmetic number, because the mean of its divisors is an integer number (9531106).

Almost surely, 238104411 is an apocalyptic number.

38104411 is a deficient number, since it is larger than the sum of its proper divisors (20013).

38104411 is a wasteful number, since it uses less digits than its factorization.

38104411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20012.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 38104411 is about 6172.8770439723. The cubic root of 38104411 is about 336.5051777002.

Adding to 38104411 its reverse (11440183), we get a palindrome (49544594).

The spelling of 38104411 in words is "thirty-eight million, one hundred four thousand, four hundred eleven".

Divisors: 1 2131 17881 38104411