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670907040 = 25351782219
BaseRepresentation
bin100111111111010…
…011101010100000
31201202102121102220
4213333103222200
52333223011130
6150323511040
722424421126
oct4777235240
91652377386
10670907040
11314789431
12168828480
13a8cc421b
1465163916
153dd77410
hex27fd3aa0

670907040 has 96 divisors (see below), whose sum is σ = 2237699520. Its totient is φ = 168382464.

The previous prime is 670906963. The next prime is 670907071. The reversal of 670907040 is 40709076.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 670906992 and 670907010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32950 + ... + 49269.

It is an arithmetic number, because the mean of its divisors is an integer number (23309370).

Almost surely, 2670907040 is an apocalyptic number.

670907040 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

670907040 is an abundant number, since it is smaller than the sum of its proper divisors (1566792480).

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

670907040 is a wasteful number, since it uses less digits than its factorization.

670907040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82254 (or 82246 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 670907040 is about 25901.8732913278. The cubic root of 670907040 is about 875.4287052962.

The spelling of 670907040 in words is "six hundred seventy million, nine hundred seven thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 17 20 24 30 32 34 40 48 51 60 68 80 85 96 102 120 136 160 170 204 240 255 272 340 408 480 510 544 680 816 1020 1360 1632 2040 2720 4080 8160 82219 164438 246657 328876 411095 493314 657752 822190 986628 1233285 1315504 1397723 1644380 1973256 2466570 2631008 2795446 3288760 3946512 4193169 4933140 5590892 6577520 6988615 7893024 8386338 9866280 11181784 13155040 13977230 16772676 19732560 20965845 22363568 27954460 33545352 39465120 41931690 44727136 55908920 67090704 83863380 111817840 134181408 167726760 223635680 335453520 670907040