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4438682540 = 2251163190829
BaseRepresentation
bin1000010001001000…
…01110101110101100
3102110100011102202122
410020210032232230
533042300320130
62012240212112
7214665115265
oct41044165654
912410142678
104438682540
11197857a986
12a3a60a038
13559787c96
1430170796c
151aea2a2e5
hex10890ebac

4438682540 has 24 divisors (see below), whose sum is σ = 9329297040. Its totient is φ = 1773937088.

The previous prime is 4438682519. The next prime is 4438682557. The reversal of 4438682540 is 452868344.

It is a junction number, because it is equal to n+sod(n) for n = 4438682491 and 4438682500.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72155 + ... + 118674.

It is an arithmetic number, because the mean of its divisors is an integer number (388720710).

Almost surely, 24438682540 is an apocalyptic number.

It is an amenable number.

4438682540 is an abundant number, since it is smaller than the sum of its proper divisors (4890614500).

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

4438682540 is a wasteful number, since it uses less digits than its factorization.

4438682540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192001 (or 191999 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 44.

The square root of 4438682540 is about 66623.4383681899. The cubic root of 4438682540 is about 1643.4305717109.

The spelling of 4438682540 in words is "four billion, four hundred thirty-eight million, six hundred eighty-two thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 1163 2326 4652 5815 11630 23260 190829 381658 763316 954145 1908290 3816580 221934127 443868254 887736508 1109670635 2219341270 4438682540