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312006426 = 23470311057
BaseRepresentation
bin10010100110001…
…101011100011010
3210202002120100120
4102212031130122
51114333201201
650543214110
710506003504
oct2246153432
9722076316
10312006426
11150135056
12885a7336
134c8429b4
142d61ad74
151c5d1536
hex1298d71a

312006426 has 16 divisors (see below), whose sum is σ = 624201984. Its totient is φ = 103970624.

The previous prime is 312006421. The next prime is 312006427. The reversal of 312006426 is 624600213.

It is a junction number, because it is equal to n+sod(n) for n = 312006396 and 312006405.

It is not an unprimeable number, because it can be changed into a prime (312006421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22690 + ... + 33746.

It is an arithmetic number, because the mean of its divisors is an integer number (39012624).

Almost surely, 2312006426 is an apocalyptic number.

312006426 is an abundant number, since it is smaller than the sum of its proper divisors (312195558).

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

312006426 is a wasteful number, since it uses less digits than its factorization.

312006426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15765.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 312006426 is about 17663.7036320246. The cubic root of 312006426 is about 678.2469449650.

Adding to 312006426 its reverse (624600213), we get a palindrome (936606639).

The spelling of 312006426 in words is "three hundred twelve million, six thousand, four hundred twenty-six".

Divisors: 1 2 3 6 4703 9406 11057 14109 22114 28218 33171 66342 52001071 104002142 156003213 312006426