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4261081 = 11387371
BaseRepresentation
bin10000010000010011011001
322000111002211
4100100103121
52042323311
6231155121
751134656
oct20202331
98014084
104261081
112450460
121515aa1
13b62666
147ccc2d
15592821
hex4104d9

4261081 has 4 divisors (see below), whose sum is σ = 4648464. Its totient is φ = 3873700.

The previous prime is 4261079. The next prime is 4261087. The reversal of 4261081 is 1801624.

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.

It is a cyclic number.

It is not a de Polignac number, because 4261081 - 21 = 4261079 is a prime.

It is a super-2 number, since 2×42610812 = 36313622577122, which contains 22 as substring.

It is a Duffinian number.

4261081 is a lucky number.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (4261087) 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, 193675 + ... + 193696.

It is an arithmetic number, because the mean of its divisors is an integer number (1162116).

Almost surely, 24261081 is an apocalyptic number.

It is an amenable number.

4261081 is a deficient number, since it is larger than the sum of its proper divisors (387383).

4261081 is a wasteful number, since it uses less digits than its factorization.

4261081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387382.

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

The square root of 4261081 is about 2064.2386005498. The cubic root of 4261081 is about 162.1212449050.

The spelling of 4261081 in words is "four million, two hundred sixty-one thousand, eighty-one".

Divisors: 1 11 387371 4261081