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448421452830 = 232513383266199
BaseRepresentation
bin1101000011010000000…
…00000101110000011110
31120212110021002000222200
412201220000011300132
524321331342442310
6542000231552330
744253205313301
oct6415000056036
91525407060880
10448421452830
111631a124660a
1272aa752b6a6
1333394346a90
14179bcdc4b38
15b9e78ca9c0
hex6868005c1e

448421452830 has 48 divisors (see below), whose sum is σ = 1255580071200. Its totient is φ = 110380665024.

The previous prime is 448421452819. The next prime is 448421452849. The reversal of 448421452830 is 38254124844.

448421452830 is a `hidden beast` number, since 4 + 4 + 84 + 2 + 14 + 528 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 191631930 + ... + 191634269.

It is an arithmetic number, because the mean of its divisors is an integer number (26157918150).

Almost surely, 2448421452830 is an apocalyptic number.

448421452830 is an abundant number, since it is smaller than the sum of its proper divisors (807158618370).

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

448421452830 is a wasteful number, since it uses less digits than its factorization.

448421452830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383266225 (or 383266222 counting only the distinct ones).

The product of its (nonzero) digits is 983040, while the sum is 45.

The spelling of 448421452830 in words is "four hundred forty-eight billion, four hundred twenty-one million, four hundred fifty-two thousand, eight hundred thirty".

Divisors: 1 2 3 5 6 9 10 13 15 18 26 30 39 45 65 78 90 117 130 195 234 390 585 1170 383266199 766532398 1149798597 1916330995 2299597194 3449395791 3832661990 4982460587 5748992985 6898791582 9964921174 11497985970 14947381761 17246978955 24912302935 29894763522 34493957910 44842145283 49824605870 74736908805 89684290566 149473817610 224210726415 448421452830