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80384424 = 2333790523
BaseRepresentation
bin1001100101010…
…01000110101000
312121020221200220
410302221012220
5131034300144
611550530040
71664153631
oct462510650
9177227626
1080384424
114141400a
1222b06920
1313866363
14a966888
1570cc919
hex4ca91a8

80384424 has 32 divisors (see below), whose sum is σ = 206394720. Its totient is φ = 26070336.

The previous prime is 80384419. The next prime is 80384441. The reversal of 80384424 is 42448308.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44374 + ... + 46149.

It is an arithmetic number, because the mean of its divisors is an integer number (6449835).

Almost surely, 280384424 is an apocalyptic number.

It is an amenable number.

80384424 is an abundant number, since it is smaller than the sum of its proper divisors (126010296).

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

80384424 is a wasteful number, since it uses less digits than its factorization.

80384424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90569 (or 90565 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 33.

The square root of 80384424 is about 8965.7361103258. The cubic root of 80384424 is about 431.5760157748.

It can be divided in two parts, 80384 and 424, that added together give a palindrome (80808).

The spelling of 80384424 in words is "eighty million, three hundred eighty-four thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 24 37 74 111 148 222 296 444 888 90523 181046 271569 362092 543138 724184 1086276 2172552 3349351 6698702 10048053 13397404 20096106 26794808 40192212 80384424