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4442103421 = 73898211987
BaseRepresentation
bin1000010001100010…
…10001111001111101
3102110120121020022221
410020301101321331
533044134302141
62012441405341
7215036153560
oct41061217175
912416536287
104442103421
11197a4a7058
12a3b799851
1355a3b5082
14301d584d7
151aeea3bd1
hex108c51e7d

4442103421 has 16 divisors (see below), whose sum is σ = 5098504320. Its totient is φ = 3791194560.

The previous prime is 4442103397. The next prime is 4442103437. The reversal of 4442103421 is 1243012444.

It is a cyclic number.

It is not a de Polignac number, because 4442103421 - 211 = 4442101373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4442103121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2234590 + ... + 2236576.

It is an arithmetic number, because the mean of its divisors is an integer number (318656520).

Almost surely, 24442103421 is an apocalyptic number.

It is an amenable number.

4442103421 is a deficient number, since it is larger than the sum of its proper divisors (656400899).

4442103421 is a wasteful number, since it uses less digits than its factorization.

4442103421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3204.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 4442103421 is about 66649.1066781844. The cubic root of 4442103421 is about 1643.8526591736.

Adding to 4442103421 its reverse (1243012444), we get a palindrome (5685115865).

The spelling of 4442103421 in words is "four billion, four hundred forty-two million, one hundred three thousand, four hundred twenty-one".

Divisors: 1 7 389 821 1987 2723 5747 13909 319369 772943 1631327 2235583 5410601 11419289 634586203 4442103421