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307277842 = 21919741047
BaseRepresentation
bin10010010100001…
…011000000010010
3210102012022221211
4102110023000102
51112130342332
650254010334
710420550524
oct2224130022
9712168854
10307277842
111484a5433
1286aa69aa
134b878611
142cb49a14
151be9a447
hex1250b012

307277842 has 16 divisors (see below), whose sum is σ = 487650240. Its totient is φ = 144810288.

The previous prime is 307277813. The next prime is 307277851. The reversal of 307277842 is 248772703.

It is a super-3 number, since 3×3072778423 (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 307277795 and 307277804.

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, 13038 + ... + 28009.

It is an arithmetic number, because the mean of its divisors is an integer number (30478140).

Almost surely, 2307277842 is an apocalyptic number.

307277842 is a deficient number, since it is larger than the sum of its proper divisors (180372398).

307277842 is a wasteful number, since it uses less digits than its factorization.

307277842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41265.

The product of its (nonzero) digits is 131712, while the sum is 40.

The square root of 307277842 is about 17529.3423151013. The cubic root of 307277842 is about 674.8031191692.

The spelling of 307277842 in words is "three hundred seven million, two hundred seventy-seven thousand, eight hundred forty-two".

Divisors: 1 2 19 38 197 394 3743 7486 41047 82094 779893 1559786 8086259 16172518 153638921 307277842