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730427808 = 25311691693
BaseRepresentation
bin101011100010010…
…111000110100000
31212220102120120210
4223202113012200
52443442142213
6200251334120
724046351065
oct5342270640
91786376523
10730427808
11345342250
12184751340
13b8434006
146d018c6c
15441d30c3
hex2b8971a0

730427808 has 48 divisors (see below), whose sum is σ = 2091682656. Its totient is φ = 221341440.

The previous prime is 730427807. The next prime is 730427809. The reversal of 730427808 is 808724037.

It is an interprime number because it is at equal distance from previous prime (730427807) and next prime (730427809).

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (730427801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 344791 + ... + 346902.

It is an arithmetic number, because the mean of its divisors is an integer number (43576722).

Almost surely, 2730427808 is an apocalyptic number.

It is an amenable number.

730427808 is an abundant number, since it is smaller than the sum of its proper divisors (1361254848).

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

730427808 is a wasteful number, since it uses less digits than its factorization.

730427808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691717 (or 691709 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 39.

The square root of 730427808 is about 27026.4279548741. The cubic root of 730427808 is about 900.5871921202.

The spelling of 730427808 in words is "seven hundred thirty million, four hundred twenty-seven thousand, eight hundred eight".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 66 88 96 132 176 264 352 528 1056 691693 1383386 2075079 2766772 4150158 5533544 7608623 8300316 11067088 15217246 16600632 22134176 22825869 30434492 33201264 45651738 60868984 66402528 91303476 121737968 182606952 243475936 365213904 730427808