Search a number
-
+
307305086 = 21141340693
BaseRepresentation
bin10010010100010…
…001101001111110
3210102020201022212
4102110101221332
51112132230321
650254340422
710421023124
oct2224215176
9712221285
10307305086
11148513950
1286aba712
134b887b3a
142cb55914
151bea355b
hex12511a7e

307305086 has 16 divisors (see below), whose sum is σ = 515129328. Its totient is φ = 136276800.

The previous prime is 307305071. The next prime is 307305101. The reversal of 307305086 is 680503703.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (307305071) and next prime (307305101).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169445 + ... + 171248.

It is an arithmetic number, because the mean of its divisors is an integer number (32195583).

Almost surely, 2307305086 is an apocalyptic number.

307305086 is a deficient number, since it is larger than the sum of its proper divisors (207824242).

307305086 is a wasteful number, since it uses less digits than its factorization.

307305086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340747.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 307305086 is about 17530.1193949157. The cubic root of 307305086 is about 674.8230618079.

Adding to 307305086 its reverse (680503703), we get a palindrome (987808789).

The spelling of 307305086 in words is "three hundred seven million, three hundred five thousand, eighty-six".

Divisors: 1 2 11 22 41 82 451 902 340693 681386 3747623 7495246 13968413 27936826 153652543 307305086