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444060320 = 25511222937
BaseRepresentation
bin11010011101111…
…101001010100000
31010221120121020112
4122131331022200
51402134412240
6112021430452
714001310334
oct3235751240
91127517215
10444060320
1120872a100
1210486b428
1370cca2b2
1442d937c4
1528eb8665
hex1a77d2a0

444060320 has 72 divisors (see below), whose sum is σ = 1153185012. Its totient is φ = 161469440.

The previous prime is 444060317. The next prime is 444060359. The reversal of 444060320 is 23060444.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 425844496 + 18215824 = 20636^2 + 4268^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7892 + ... + 30828.

Almost surely, 2444060320 is an apocalyptic number.

444060320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 444060320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (576592506).

444060320 is an abundant number, since it is smaller than the sum of its proper divisors (709124692).

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

444060320 is a wasteful number, since it uses less digits than its factorization.

444060320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22974 (or 22955 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 444060320 is about 21072.7387873527. The cubic root of 444060320 is about 762.9229086381.

The spelling of 444060320 in words is "four hundred forty-four million, sixty thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 11 16 20 22 32 40 44 55 80 88 110 121 160 176 220 242 352 440 484 605 880 968 1210 1760 1936 2420 3872 4840 9680 19360 22937 45874 91748 114685 183496 229370 252307 366992 458740 504614 733984 917480 1009228 1261535 1834960 2018456 2523070 2775377 3669920 4036912 5046140 5550754 8073824 10092280 11101508 13876885 20184560 22203016 27753770 40369120 44406032 55507540 88812064 111015080 222030160 444060320