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2443316401 = 8329437547
BaseRepresentation
bin1001000110100010…
…0000110010110001
320022021112100000001
42101220200302301
520000442111101
61042240430001
7114355563301
oct22150406261
96267470001
102443316401
111044208859
12582318301
132cc273b66
141926d7601
15e4780901
hex91a20cb1

2443316401 has 4 divisors (see below), whose sum is σ = 2472754032. Its totient is φ = 2413878772.

The previous prime is 2443316383. The next prime is 2443316411. The reversal of 2443316401 is 1046133442.

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: 1046133442 = 2523066721.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2443316401 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 2443316401.

It is not an unprimeable number, because it can be changed into a prime (2443316411) 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, 14718691 + ... + 14718856.

It is an arithmetic number, because the mean of its divisors is an integer number (618188508).

Almost surely, 22443316401 is an apocalyptic number.

It is an amenable number.

2443316401 is a deficient number, since it is larger than the sum of its proper divisors (29437631).

2443316401 is an equidigital number, since it uses as much as digits as its factorization.

2443316401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29437630.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 2443316401 is about 49429.9140298666. The cubic root of 2443316401 is about 1346.8727616136.

Adding to 2443316401 its reverse (1046133442), we get a palindrome (3489449843).

The spelling of 2443316401 in words is "two billion, four hundred forty-three million, three hundred sixteen thousand, four hundred one".

Divisors: 1 83 29437547 2443316401