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4421445401 = 31142627271
BaseRepresentation
bin1000001111000100…
…11110011100011001
3102102010201200212002
410013202132130121
533023342223101
62010422530345
7214365444242
oct40742363431
912363650762
104421445401
11196987740a
12a348969b5
135560312a9
142dd2dbcc9
151ad272d6b
hex10789e719

4421445401 has 4 divisors (see below), whose sum is σ = 4564072704. Its totient is φ = 4278818100.

The previous prime is 4421445317. The next prime is 4421445403. The reversal of 4421445401 is 1045441244.

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 4421445401 - 226 = 4354336537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4421445403) 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, 71313605 + ... + 71313666.

It is an arithmetic number, because the mean of its divisors is an integer number (1141018176).

Almost surely, 24421445401 is an apocalyptic number.

It is an amenable number.

4421445401 is a deficient number, since it is larger than the sum of its proper divisors (142627303).

4421445401 is a wasteful number, since it uses less digits than its factorization.

4421445401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142627302.

The product of its (nonzero) digits is 10240, while the sum is 29.

The square root of 4421445401 is about 66493.9501082617. The cubic root of 4421445401 is about 1641.3004509012.

Adding to 4421445401 its reverse (1045441244), we get a palindrome (5466886645).

The spelling of 4421445401 in words is "four billion, four hundred twenty-one million, four hundred forty-five thousand, four hundred one".

Divisors: 1 31 142627271 4421445401