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38001441 = 312667147
BaseRepresentation
bin1001000011110…
…1101100100001
32122111200011210
42100331230201
534212021231
63434300333
7641002242
oct220755441
978450153
1038001441
111a4a6055
12108876a9
137b46c7a
145092cc9
153509a46
hex243db21

38001441 has 4 divisors (see below), whose sum is σ = 50668592. Its totient is φ = 25334292.

The previous prime is 38001421. The next prime is 38001473. The reversal of 38001441 is 14410083.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14410083 = 34803361.

It is not a de Polignac number, because 38001441 - 26 = 38001377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38001421) 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, 6333571 + ... + 6333576.

It is an arithmetic number, because the mean of its divisors is an integer number (12667148).

Almost surely, 238001441 is an apocalyptic number.

It is an amenable number.

38001441 is a deficient number, since it is larger than the sum of its proper divisors (12667151).

38001441 is a wasteful number, since it uses less digits than its factorization.

38001441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12667150.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 38001441 is about 6164.5308823949. The cubic root of 38001441 is about 336.2017902811.

The spelling of 38001441 in words is "thirty-eight million, one thousand, four hundred forty-one".

Divisors: 1 3 12667147 38001441