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670074580 = 2257291511093
BaseRepresentation
bin100111111100001…
…000011011010100
31201200212022112001
4213330020123110
52333014341310
6150254005044
722414353130
oct4774103324
91650768461
10670074580
1131426aa4a
121684a6784
13a8a92346
1464dc83c0
153dc6093a
hex27f086d4

670074580 has 96 divisors (see below), whose sum is σ = 1676183040. Its totient is φ = 220147200.

The previous prime is 670074541. The next prime is 670074583. The reversal of 670074580 is 85470076.

It is a happy number.

670074580 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670074583) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 612514 + ... + 613606.

It is an arithmetic number, because the mean of its divisors is an integer number (17460240).

Almost surely, 2670074580 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 670074580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (838091520).

670074580 is an abundant number, since it is smaller than the sum of its proper divisors (1006108460).

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

670074580 is a wasteful number, since it uses less digits than its factorization.

670074580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1289 (or 1287 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 670074580 is about 25885.7988093858. The cubic root of 670074580 is about 875.0664787586.

The spelling of 670074580 in words is "six hundred seventy million, seventy-four thousand, five hundred eighty".

Divisors: 1 2 4 5 7 10 14 20 28 29 35 58 70 116 140 145 151 203 290 302 406 580 604 755 812 1015 1057 1093 1510 2030 2114 2186 3020 4060 4228 4372 4379 5285 5465 7651 8758 10570 10930 15302 17516 21140 21860 21895 30604 30653 31697 38255 43790 61306 63394 76510 87580 122612 126788 153020 153265 158485 165043 221879 306530 316970 330086 443758 613060 633940 660172 825215 887516 1109395 1155301 1650430 2218790 2310602 3300860 4437580 4621204 4786247 5776505 9572494 11553010 19144988 23106020 23931235 33503729 47862470 67007458 95724940 134014916 167518645 335037290 670074580