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447707438040 = 23357947226523
BaseRepresentation
bin1101000001111010111…
…00010101101111011000
31120210121111112022211110
412200331130111233120
524313401101004130
6541401324100320
744226415301442
oct6407534255730
91523544468743
10447707438040
111629651a4745
12729283946a0
13332ac43b615
141795223d492
15b9a4d8aab0
hex683d715bd8

447707438040 has 64 divisors (see below), whose sum is σ = 1360123891200. Its totient is φ = 117877398912.

The previous prime is 447707437997. The next prime is 447707438041. The reversal of 447707438040 is 40834707744.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447707438041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23603782 + ... + 23622741.

It is an arithmetic number, because the mean of its divisors is an integer number (21251935800).

Almost surely, 2447707438040 is an apocalyptic number.

447707438040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

447707438040 is an abundant number, since it is smaller than the sum of its proper divisors (912416453160).

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

447707438040 is a wasteful number, since it uses less digits than its factorization.

447707438040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47226616 (or 47226612 counting only the distinct ones).

The product of its (nonzero) digits is 2107392, while the sum is 48.

The spelling of 447707438040 in words is "four hundred forty-seven billion, seven hundred seven million, four hundred thirty-eight thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 79 120 158 237 316 395 474 632 790 948 1185 1580 1896 2370 3160 4740 9480 47226523 94453046 141679569 188906092 236132615 283359138 377812184 472265230 566718276 708397845 944530460 1133436552 1416795690 1889060920 2833591380 3730895317 5667182760 7461790634 11192685951 14923581268 18654476585 22385371902 29847162536 37308953170 44770743804 55963429755 74617906340 89541487608 111926859510 149235812680 223853719020 447707438040