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1328048680 = 235731153001
BaseRepresentation
bin100111100101000…
…0110101000101000
310102112221212022011
41033022012220220
510204440024210
6335440405304
744624141020
oct11712065050
93375855264
101328048680
116217156a2
12310916834
131821a8a2a
14c8542a80
157b8d0d8a
hex4f286a28

1328048680 has 64 divisors (see below), whose sum is σ = 3525166080. Its totient is φ = 440640000.

The previous prime is 1328048677. The next prime is 1328048699. The reversal of 1328048680 is 868408231.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 67821 + ... + 85180.

It is an arithmetic number, because the mean of its divisors is an integer number (55080720).

Almost surely, 21328048680 is an apocalyptic number.

1328048680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1328048680 is an abundant number, since it is smaller than the sum of its proper divisors (2197117400).

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

1328048680 is a wasteful number, since it uses less digits than its factorization.

1328048680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153050 (or 153046 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 40.

The square root of 1328048680 is about 36442.4022259785. The cubic root of 1328048680 is about 1099.1863625121.

The spelling of 1328048680 in words is "one billion, three hundred twenty-eight million, forty-eight thousand, six hundred eighty".

Divisors: 1 2 4 5 7 8 10 14 20 28 31 35 40 56 62 70 124 140 155 217 248 280 310 434 620 868 1085 1240 1736 2170 4340 8680 153001 306002 612004 765005 1071007 1224008 1530010 2142014 3060020 4284028 4743031 5355035 6120040 8568056 9486062 10710070 18972124 21420140 23715155 33201217 37944248 42840280 47430310 66402434 94860620 132804868 166006085 189721240 265609736 332012170 664024340 1328048680