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330387680 = 2557294989
BaseRepresentation
bin10011101100010…
…101000011100000
3212000200102200202
4103230111003200
51134034401210
652441204332
711121151250
oct2354250340
9760612622
10330387680
1115a54a177
12927906a8
13535aa38c
1431c43960
151e0129a5
hex13b150e0

330387680 has 48 divisors (see below), whose sum is σ = 892049760. Its totient is φ = 113275392.

The previous prime is 330387647. The next prime is 330387697. The reversal of 330387680 is 86783033.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146375 + ... + 148614.

It is an arithmetic number, because the mean of its divisors is an integer number (18584370).

Almost surely, 2330387680 is an apocalyptic number.

It is an amenable number.

330387680 is an abundant number, since it is smaller than the sum of its proper divisors (561662080).

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

330387680 is a wasteful number, since it uses less digits than its factorization.

330387680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295011 (or 295003 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 330387680 is about 18176.5695333305. The cubic root of 330387680 is about 691.3128264823.

The spelling of 330387680 in words is "three hundred thirty million, three hundred eighty-seven thousand, six hundred eighty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 70 80 112 140 160 224 280 560 1120 294989 589978 1179956 1474945 2064923 2359912 2949890 4129846 4719824 5899780 8259692 9439648 10324615 11799560 16519384 20649230 23599120 33038768 41298460 47198240 66077536 82596920 165193840 330387680