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307648066 = 21122959743
BaseRepresentation
bin10010010101100…
…101011001000010
3210102220010210211
4102111211121002
51112224214231
650305544334
710423652065
oct2225453102
9712803724
10307648066
11148728600
12870450aa
134b977c9b
142cc048dc
151c01eeb1
hex12565642

307648066 has 48 divisors (see below), whose sum is σ = 534340800. Its totient is φ = 132550880.

The previous prime is 307648063. The next prime is 307648097. The reversal of 307648066 is 660846703.

307648066 is digitally balanced in base 3, 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 (307648063) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 413691 + ... + 414433.

It is an arithmetic number, because the mean of its divisors is an integer number (11132100).

Almost surely, 2307648066 is an apocalyptic number.

307648066 is a deficient number, since it is larger than the sum of its proper divisors (226692734).

307648066 is a wasteful number, since it uses less digits than its factorization.

307648066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855 (or 844 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 307648066 is about 17539.8992585476. The cubic root of 307648066 is about 675.0740227920.

The spelling of 307648066 in words is "three hundred seven million, six hundred forty-eight thousand, sixty-six".

Divisors: 1 2 11 22 29 58 59 118 121 242 319 638 649 743 1298 1486 1711 3422 3509 7018 7139 8173 14278 16346 18821 21547 37642 43094 43837 87674 89903 179806 207031 237017 414062 474034 482207 964414 1271273 2542546 2607187 5214374 5304277 10608554 13984003 27968006 153824033 307648066