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329412880 = 24519216719
BaseRepresentation
bin10011101000100…
…111000100010000
3211221211220112001
4103220213010100
51133312203010
652404243344
711106651256
oct2350470420
9757756461
10329412880
11159a43855
12923a0554
1353328784
1431a6c5d6
151ddbdc3a
hex13a27110

329412880 has 40 divisors (see below), whose sum is σ = 806198400. Its totient is φ = 124829568.

The previous prime is 329412841. The next prime is 329412883. The reversal of 329412880 is 88214923.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (329412883) by changing a digit.

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, 106840 + ... + 109879.

It is an arithmetic number, because the mean of its divisors is an integer number (20154960).

Almost surely, 2329412880 is an apocalyptic number.

It is an amenable number.

329412880 is an abundant number, since it is smaller than the sum of its proper divisors (476785520).

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

329412880 is a wasteful number, since it uses less digits than its factorization.

329412880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216751 (or 216745 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 329412880 is about 18149.7349842911. The cubic root of 329412880 is about 690.6322567162.

The spelling of 329412880 in words is "three hundred twenty-nine million, four hundred twelve thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 16 19 20 38 40 76 80 95 152 190 304 380 760 1520 216719 433438 866876 1083595 1733752 2167190 3467504 4117661 4334380 8235322 8668760 16470644 17337520 20588305 32941288 41176610 65882576 82353220 164706440 329412880