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4441230021 = 32099705293
BaseRepresentation
bin1000010001011011…
…11100101011000101
3102110111221212020210
410020231330223011
533043423330041
62012410550033
7215025555324
oct41055745305
912414855223
104441230021
111979a5a938
12a3b438319
1355a16a677
14301bac0bb
151aed80016
hex108b7cac5

4441230021 has 8 divisors (see below), whose sum is σ = 5924469600. Its totient is φ = 2959405232.

The previous prime is 4441230019. The next prime is 4441230023. The reversal of 4441230021 is 1200321444.

It is an interprime number because it is at equal distance from previous prime (4441230019) and next prime (4441230023).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4441230021 - 21 = 4441230019 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4441230021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4441230023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 346350 + ... + 358943.

It is an arithmetic number, because the mean of its divisors is an integer number (740558700).

Almost surely, 24441230021 is an apocalyptic number.

It is an amenable number.

4441230021 is a deficient number, since it is larger than the sum of its proper divisors (1483239579).

4441230021 is a wasteful number, since it uses less digits than its factorization.

4441230021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707395.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 4441230021 is about 66642.5541302252. The cubic root of 4441230021 is about 1643.7449147949.

Adding to 4441230021 its reverse (1200321444), we get a palindrome (5641551465).

The spelling of 4441230021 in words is "four billion, four hundred forty-one million, two hundred thirty thousand, twenty-one".

Divisors: 1 3 2099 6297 705293 2115879 1480410007 4441230021