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670266912 = 25371576353
BaseRepresentation
bin100111111100110…
…111011000100000
31201201020002100110
4213330313120200
52333042020122
6150302051320
722416113640
oct4774673040
91651202313
10670266912
113143914a7
12168579b40
13a8b2ba53
1465038520
153dc9c90c
hex27f37620

670266912 has 96 divisors (see below), whose sum is σ = 2023926912. Its totient is φ = 190255104.

The previous prime is 670266911. The next prime is 670266917. The reversal of 670266912 is 219662076.

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

It is not an unprimeable number, because it can be changed into a prime (670266911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102328 + ... + 108680.

It is an arithmetic number, because the mean of its divisors is an integer number (21082572).

Almost surely, 2670266912 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 670266912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1011963456).

670266912 is an abundant number, since it is smaller than the sum of its proper divisors (1353660000).

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

670266912 is a wasteful number, since it uses less digits than its factorization.

670266912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6530 (or 6522 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 670266912 is about 25889.5135527881. The cubic root of 670266912 is about 875.1501944080.

The spelling of 670266912 in words is "six hundred seventy million, two hundred sixty-six thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 84 96 112 157 168 224 314 336 471 628 672 942 1099 1256 1884 2198 2512 3297 3768 4396 5024 6353 6594 7536 8792 12706 13188 15072 17584 19059 25412 26376 35168 38118 44471 50824 52752 76236 88942 101648 105504 133413 152472 177884 203296 266826 304944 355768 533652 609888 711536 997421 1067304 1423072 1994842 2134608 2992263 3989684 4269216 5984526 6981947 7979368 11969052 13963894 15958736 20945841 23938104 27927788 31917472 41891682 47876208 55855576 83783364 95752416 111711152 167566728 223422304 335133456 670266912