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312443102 = 2172540559
BaseRepresentation
bin10010100111111…
…000000011011110
3210202220202100202
4102213320003132
51114441134402
651000423502
710512502556
oct2247700336
9722822322
10312443102
11150403144
1288777b92
134c96669a
142d6d2166
151c66ab02
hex129f80de

312443102 has 12 divisors (see below), whose sum is σ = 497855760. Its totient is φ = 147031776.

The previous prime is 312443101. The next prime is 312443107. The reversal of 312443102 is 201344213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312443101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 269702 + ... + 270857.

It is an arithmetic number, because the mean of its divisors is an integer number (41487980).

Almost surely, 2312443102 is an apocalyptic number.

312443102 is a deficient number, since it is larger than the sum of its proper divisors (185412658).

312443102 is a wasteful number, since it uses less digits than its factorization.

312443102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540595 (or 540578 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 312443102 is about 17676.0601379380. The cubic root of 312443102 is about 678.5632163333.

Adding to 312443102 its reverse (201344213), we get a palindrome (513787315).

The spelling of 312443102 in words is "three hundred twelve million, four hundred forty-three thousand, one hundred two".

Divisors: 1 2 17 34 289 578 540559 1081118 9189503 18379006 156221551 312443102