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80208384 = 29379661
BaseRepresentation
bin1001100011111…
…10001000000000
312120221000012220
410301332020000
5131013132014
611543051040
71662521454
oct461761000
9176830186
1080208384
1141303823
1222a40a80
13138041a9
14a91c664
1570956a9
hex4c7e200

80208384 has 80 divisors (see below), whose sum is σ = 216712320. Its totient is φ = 26357760.

The previous prime is 80208371. The next prime is 80208389. The reversal of 80208384 is 48380208.

It is not an unprimeable number, because it can be changed into a prime (80208389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121014 + ... + 121674.

It is an arithmetic number, because the mean of its divisors is an integer number (2708904).

Almost surely, 280208384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80208384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108356160).

80208384 is an abundant number, since it is smaller than the sum of its proper divisors (136503936).

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

80208384 is an equidigital number, since it uses as much as digits as its factorization.

80208384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761 (or 745 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 80208384 is about 8955.9133537568. The cubic root of 80208384 is about 431.2607384010.

The spelling of 80208384 in words is "eighty million, two hundred eight thousand, three hundred eighty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 79 96 128 158 192 237 256 316 384 474 512 632 661 768 948 1264 1322 1536 1896 1983 2528 2644 3792 3966 5056 5288 7584 7932 10112 10576 15168 15864 20224 21152 30336 31728 40448 42304 52219 60672 63456 84608 104438 121344 126912 156657 169216 208876 253824 313314 338432 417752 507648 626628 835504 1015296 1253256 1671008 2506512 3342016 5013024 6684032 10026048 13368064 20052096 26736128 40104192 80208384