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307313010 = 23253414589
BaseRepresentation
bin10010010100010…
…011100101110010
3210102021010012100
4102110103211302
51112133004020
650254441230
710421055204
oct2224234562
9712233170
10307313010
111485198a4
1286b03216
134b88b624
142cb58774
151bea5a90
hex12513972

307313010 has 24 divisors (see below), whose sum is σ = 799014060. Its totient is φ = 81950112.

The previous prime is 307312981. The next prime is 307313021. The reversal of 307313010 is 10313703.

It can be written as a sum of positive squares in 2 ways, for example, as 282542481 + 24770529 = 16809^2 + 4977^2 .

It is a super-2 number, since 2×3073130102 = 188882572230520200, which contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1707205 + ... + 1707384.

Almost surely, 2307313010 is an apocalyptic number.

307313010 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

307313010 is an abundant number, since it is smaller than the sum of its proper divisors (491701050).

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

307313010 is a wasteful number, since it uses less digits than its factorization.

307313010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3414602 (or 3414599 counting only the distinct ones).

The product of its (nonzero) digits is 189, while the sum is 18.

The square root of 307313010 is about 17530.3454044694. The cubic root of 307313010 is about 674.8288619635.

Adding to 307313010 its reverse (10313703), we get a palindrome (317626713).

The spelling of 307313010 in words is "three hundred seven million, three hundred thirteen thousand, ten".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 3414589 6829178 10243767 17072945 20487534 30731301 34145890 51218835 61462602 102437670 153656505 307313010