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672003080 = 23572982759
BaseRepresentation
bin101000000011011…
…111010000001000
31201211111021220222
4220003133100020
52334013044310
6150403205212
722436634440
oct5003372010
91654437828
10672003080
11315367951
12169076808
13a92b9078
146536b120
153dee2055
hex280df408

672003080 has 64 divisors (see below), whose sum is σ = 1787616000. Its totient is φ = 222453504.

The previous prime is 672003067. The next prime is 672003107. The reversal of 672003080 is 80300276.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 33260 + ... + 49499.

It is an arithmetic number, because the mean of its divisors is an integer number (27931500).

Almost surely, 2672003080 is an apocalyptic number.

It is an amenable number.

672003080 is an abundant number, since it is smaller than the sum of its proper divisors (1115612920).

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

672003080 is a wasteful number, since it uses less digits than its factorization.

672003080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82806 (or 82802 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 672003080 is about 25923.0222003531. The cubic root of 672003080 is about 875.9051661619.

The spelling of 672003080 in words is "six hundred seventy-two million, three thousand, eighty".

Divisors: 1 2 4 5 7 8 10 14 20 28 29 35 40 56 58 70 116 140 145 203 232 280 290 406 580 812 1015 1160 1624 2030 4060 8120 82759 165518 331036 413795 579313 662072 827590 1158626 1655180 2317252 2400011 2896565 3310360 4634504 4800022 5793130 9600044 11586260 12000055 16800077 19200088 23172520 24000110 33600154 48000220 67200308 84000385 96000440 134400616 168000770 336001540 672003080