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4149841 = 39710453
BaseRepresentation
bin1111110101001001010001
321210211111211
433311021101
52030243331
6224540121
750162443
oct17651121
97724454
104149841
112384923
121481641
13b23b37
147a0493
1556e8b1
hex3f5251

4149841 has 4 divisors (see below), whose sum is σ = 4160692. Its totient is φ = 4138992.

The previous prime is 4149839. The next prime is 4149881. The reversal of 4149841 is 1489414.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1489414 = 2744707.

It can be written as a sum of positive squares in 2 ways, for example, as 3594816 + 555025 = 1896^2 + 745^2 .

It is a cyclic number.

It is not a de Polignac number, because 4149841 - 21 = 4149839 is a prime.

It is a Duffinian number.

4149841 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4149811) 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, 4830 + ... + 5623.

It is an arithmetic number, because the mean of its divisors is an integer number (1040173).

Almost surely, 24149841 is an apocalyptic number.

It is an amenable number.

4149841 is a deficient number, since it is larger than the sum of its proper divisors (10851).

4149841 is a wasteful number, since it uses less digits than its factorization.

4149841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10850.

The product of its digits is 4608, while the sum is 31.

The square root of 4149841 is about 2037.1158533574. The cubic root of 4149841 is about 160.6980051892.

The spelling of 4149841 in words is "four million, one hundred forty-nine thousand, eight hundred forty-one".

Divisors: 1 397 10453 4149841