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1000312230 = 235281118661
BaseRepresentation
bin111011100111111…
…000110110100110
32120201021010102010
4323213320312212
54022034442410
6243132055050
733534341121
oct7347706646
92521233363
101000312230
11473717425
1223b004486
1312c319338
1496bcd3b8
155cc43c20
hex3b9f8da6

1000312230 has 32 divisors (see below), whose sum is σ = 2409313248. Its totient is φ = 265798400.

The previous prime is 1000312223. The next prime is 1000312237. The reversal of 1000312230 is 322130001.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1000312223) and next prime (1000312237).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000312237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50901 + ... + 67760.

It is an arithmetic number, because the mean of its divisors is an integer number (75291039).

Almost surely, 21000312230 is an apocalyptic number.

1000312230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1000312230 is an abundant number, since it is smaller than the sum of its proper divisors (1409001018).

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

1000312230 is a wasteful number, since it uses less digits than its factorization.

1000312230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118952.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1000312230 is about 31627.7130061596. The cubic root of 1000312230 is about 1000.1040658366.

Adding to 1000312230 its reverse (322130001), we get a palindrome (1322442231).

The spelling of 1000312230 in words is "one billion, three hundred twelve thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 281 562 843 1405 1686 2810 4215 8430 118661 237322 355983 593305 711966 1186610 1779915 3559830 33343741 66687482 100031223 166718705 200062446 333437410 500156115 1000312230