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670134660 = 2235133672341
BaseRepresentation
bin100111111100010…
…111000110000100
31201200222100221020
4213330113012010
52333023302120
6150255151140
722415023236
oct4774270604
91650870836
10670134660
113143010a8
121685154b0
13a8ab37b0
1465002256
153dc73640
hex27f17184

670134660 has 96 divisors (see below), whose sum is σ = 2027085312. Its totient is φ = 164436480.

The previous prime is 670134637. The next prime is 670134691. The reversal of 670134660 is 66431076.

670134660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 285090 + ... + 287430.

It is an arithmetic number, because the mean of its divisors is an integer number (21115472).

Almost surely, 2670134660 is an apocalyptic number.

670134660 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 670134660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1013542656).

670134660 is an abundant number, since it is smaller than the sum of its proper divisors (1356950652).

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

670134660 is a wasteful number, since it uses less digits than its factorization.

670134660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2733 (or 2731 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 670134660 is about 25886.9592652362. The cubic root of 670134660 is about 875.0926312817.

The spelling of 670134660 in words is "six hundred seventy million, one hundred thirty-four thousand, six hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 195 260 367 390 734 780 1101 1468 1835 2202 2341 3670 4404 4682 4771 5505 7023 7340 9364 9542 11010 11705 14046 14313 19084 22020 23410 23855 28092 28626 30433 35115 46820 47710 57252 60866 70230 71565 91299 95420 121732 140460 143130 152165 182598 286260 304330 365196 456495 608660 859147 912990 1718294 1825980 2577441 3436588 4295735 5154882 8591470 10309764 11168911 12887205 17182940 22337822 25774410 33506733 44675644 51548820 55844555 67013466 111689110 134026932 167533665 223378220 335067330 670134660