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308280044 = 22703910949
BaseRepresentation
bin10010010111111…
…111101011101100
3210111002020201102
4102113333223230
51112404430134
650331302232
710432223432
oct2227775354
9714066642
10308280044
1114901a3a6
12872aa978
134bb39837
142cd2ad52
151c0e737e
hex125ffaec

308280044 has 12 divisors (see below), whose sum is σ = 539616000. Its totient is φ = 154104048.

The previous prime is 308280001. The next prime is 308280053. The reversal of 308280044 is 440082803.

It is a junction number, because it is equal to n+sod(n) for n = 308279989 and 308280016.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22682 + ... + 33630.

It is an arithmetic number, because the mean of its divisors is an integer number (44968000).

Almost surely, 2308280044 is an apocalyptic number.

It is an amenable number.

308280044 is a deficient number, since it is larger than the sum of its proper divisors (231335956).

308280044 is a wasteful number, since it uses less digits than its factorization.

308280044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17992 (or 17990 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 308280044 is about 17557.9054559478. The cubic root of 308280044 is about 675.5359576871.

The spelling of 308280044 in words is "three hundred eight million, two hundred eighty thousand, forty-four".

Divisors: 1 2 4 7039 10949 14078 21898 28156 43796 77070011 154140022 308280044