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1396041841 = 4134049801
BaseRepresentation
bin101001100110101…
…1110100001110001
310121021220021101101
41103031132201301
510324341314331
6350310004401
746411105555
oct12315364161
93537807341
101396041841
11657035997
1232b646701
131932c3c7c
14d35a1865
1582862061
hex5335e871

1396041841 has 4 divisors (see below), whose sum is σ = 1430091684. Its totient is φ = 1361992000.

The previous prime is 1396041809. The next prime is 1396041847. The reversal of 1396041841 is 1481406931.

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 47610000 + 1348431841 = 6900^2 + 36721^2 .

It is a cyclic number.

It is not a de Polignac number, because 1396041841 - 25 = 1396041809 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1396041841.

It is not an unprimeable number, because it can be changed into a prime (1396041847) 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, 17024860 + ... + 17024941.

It is an arithmetic number, because the mean of its divisors is an integer number (357522921).

Almost surely, 21396041841 is an apocalyptic number.

It is an amenable number.

1396041841 is a deficient number, since it is larger than the sum of its proper divisors (34049843).

1396041841 is an equidigital number, since it uses as much as digits as its factorization.

1396041841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34049842.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 1396041841 is about 37363.6433046886. The cubic root of 1396041841 is about 1117.6336734497.

The spelling of 1396041841 in words is "one billion, three hundred ninety-six million, forty-one thousand, eight hundred forty-one".

Divisors: 1 41 34049801 1396041841