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444468860 = 225112020313
BaseRepresentation
bin11010011111100…
…000111001111100
31010222100100122122
4122133200321330
51402241000420
6112034302112
714004631403
oct3237407174
91128310578
10444468860
11208989040
12104a27938
1371111234
144305c63a
1529049725
hex1a7e0e7c

444468860 has 24 divisors (see below), whose sum is σ = 1018238256. Its totient is φ = 161624960.

The previous prime is 444468853. The next prime is 444468863. The reversal of 444468860 is 68864444.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444468863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1009937 + ... + 1010376.

It is an arithmetic number, because the mean of its divisors is an integer number (42426594).

Almost surely, 2444468860 is an apocalyptic number.

It is an amenable number.

444468860 is an abundant number, since it is smaller than the sum of its proper divisors (573769396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

444468860 is a wasteful number, since it uses less digits than its factorization.

444468860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2020333 (or 2020331 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 44.

The square root of 444468860 is about 21082.4301255809. The cubic root of 444468860 is about 763.1568025301.

The spelling of 444468860 in words is "four hundred forty-four million, four hundred sixty-eight thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 2020313 4040626 8081252 10101565 20203130 22223443 40406260 44446886 88893772 111117215 222234430 444468860