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312206030 = 2531220603
BaseRepresentation
bin10010100110111…
…110001011001110
3210202110201011022
4102212332023032
51114411043110
650551354142
710510464443
oct2246761316
9722421138
10312206030
11150261014
1288682952
134c8b27c6
142d66d9ca
151c620755
hex129be2ce

312206030 has 8 divisors (see below), whose sum is σ = 561970872. Its totient is φ = 124882408.

The previous prime is 312206029. The next prime is 312206033. The reversal of 312206030 is 30602213.

312206030 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312206033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15610292 + ... + 15610311.

It is an arithmetic number, because the mean of its divisors is an integer number (70246359).

Almost surely, 2312206030 is an apocalyptic number.

312206030 is a deficient number, since it is larger than the sum of its proper divisors (249764842).

312206030 is a wasteful number, since it uses less digits than its factorization.

312206030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31220610.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 312206030 is about 17669.3528461005. The cubic root of 312206030 is about 678.3915487643.

Adding to 312206030 its reverse (30602213), we get a palindrome (342808243).

The spelling of 312206030 in words is "three hundred twelve million, two hundred six thousand, thirty".

Divisors: 1 2 5 10 31220603 62441206 156103015 312206030