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307030050 = 23252682289
BaseRepresentation
bin10010010011001…
…110100000100010
3210101201202001100
4102103032200202
51112044430200
650244415230
710415466225
oct2223164042
9711652040
10307030050
11148346248
12869a7516
134b7bc8b2
142cac35bc
151be4bd00
hex124ce822

307030050 has 36 divisors (see below), whose sum is σ = 824888610. Its totient is φ = 81874560.

The previous prime is 307030049. The next prime is 307030051. The reversal of 307030050 is 50030703.

It is an interprime number because it is at equal distance from previous prime (307030049) and next prime (307030051).

It can be written as a sum of positive squares in 3 ways, for example, as 208484721 + 98545329 = 14439^2 + 9927^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (307030051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 340695 + ... + 341594.

Almost surely, 2307030050 is an apocalyptic number.

307030050 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

307030050 is an abundant number, since it is smaller than the sum of its proper divisors (517858560).

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

307030050 is a wasteful number, since it uses less digits than its factorization.

307030050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682307 (or 682299 counting only the distinct ones).

The product of its (nonzero) digits is 315, while the sum is 18.

The square root of 307030050 is about 17522.2729689958. The cubic root of 307030050 is about 674.6216810063.

Adding to 307030050 its reverse (50030703), we get a palindrome (357060753).

The spelling of 307030050 in words is "three hundred seven million, thirty thousand, fifty".

Divisors: 1 2 3 5 6 9 10 15 18 25 30 45 50 75 90 150 225 450 682289 1364578 2046867 3411445 4093734 6140601 6822890 10234335 12281202 17057225 20468670 30703005 34114450 51171675 61406010 102343350 153515025 307030050