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306711342 = 23272434217
BaseRepresentation
bin10010010010000…
…000101100101110
3210101010112212100
4102102000230232
51112004230332
650233515530
710413001110
oct2222005456
9711115770
10306711342
11148148853
1286872ba6
134b70a802
142ca3d3b0
151bdd767c
hex12480b2e

306711342 has 24 divisors (see below), whose sum is σ = 759476016. Its totient is φ = 87631776.

The previous prime is 306711341. The next prime is 306711347. The reversal of 306711342 is 243117603.

306711342 is a `hidden beast` number, since 306 + 7 + 11 + 342 = 666.

It is a super-2 number, since 2×3067113422 = 188143694622881928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306711341) 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 11 ways as a sum of consecutive naturals, for example, 1216983 + ... + 1217234.

It is an arithmetic number, because the mean of its divisors is an integer number (31644834).

Almost surely, 2306711342 is an apocalyptic number.

306711342 is an abundant number, since it is smaller than the sum of its proper divisors (452764674).

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

306711342 is a wasteful number, since it uses less digits than its factorization.

306711342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2434232 (or 2434229 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 306711342 is about 17513.1762396203. The cubic root of 306711342 is about 674.3881731735.

Adding to 306711342 its reverse (243117603), we get a palindrome (549828945).

The spelling of 306711342 in words is "three hundred six million, seven hundred eleven thousand, three hundred forty-two".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 2434217 4868434 7302651 14605302 17039519 21907953 34079038 43815906 51118557 102237114 153355671 306711342