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307222014 = 2311431031051
BaseRepresentation
bin10010010011111…
…101010111111110
3210102002111101010
4102103331113332
51112122101024
650252500050
710420226001
oct2223752776
9712074333
10307222014
111484674a0
1286a7a626
134b859098
142cb33538
151be88b29
hex124fd5fe

307222014 has 64 divisors (see below), whose sum is σ = 693209088. Its totient is φ = 89964000.

The previous prime is 307222009. The next prime is 307222031. The reversal of 307222014 is 410222703.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 291789 + ... + 292839.

It is an arithmetic number, because the mean of its divisors is an integer number (10831392).

Almost surely, 2307222014 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 307222014, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (346604544).

307222014 is an abundant number, since it is smaller than the sum of its proper divisors (385987074).

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

307222014 is a wasteful number, since it uses less digits than its factorization.

307222014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1213.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 307222014 is about 17527.7498270599. The cubic root of 307222014 is about 674.7622493275.

Adding to 307222014 its reverse (410222703), we get a palindrome (717444717).

The spelling of 307222014 in words is "three hundred seven million, two hundred twenty-two thousand, fourteen".

Divisors: 1 2 3 6 11 22 33 43 66 86 103 129 206 258 309 473 618 946 1051 1133 1419 2102 2266 2838 3153 3399 4429 6306 6798 8858 11561 13287 23122 26574 34683 45193 48719 69366 90386 97438 108253 135579 146157 216506 271158 292314 324759 497123 649518 994246 1190783 1491369 2381566 2982738 3572349 4654879 7144698 9309758 13964637 27929274 51203669 102407338 153611007 307222014