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312230002 = 27199712101
BaseRepresentation
bin10010100111000…
…100000001110010
3210202111221001011
4102213010001302
51114412330002
650552101134
710510624360
oct2247040162
9722457034
10312230002
11150278027
12886947aa
134c8c06a6
142d678630
151c6278d7
hex129c4072

312230002 has 32 divisors (see below), whose sum is σ = 569278080. Its totient is φ = 125452800.

The previous prime is 312229963. The next prime is 312230003. The reversal of 312230002 is 200032213.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (312230003) 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 15 ways as a sum of consecutive naturals, for example, 19752 + ... + 31852.

It is an arithmetic number, because the mean of its divisors is an integer number (17789940).

Almost surely, 2312230002 is an apocalyptic number.

312230002 is a deficient number, since it is larger than the sum of its proper divisors (257048078).

312230002 is a wasteful number, since it uses less digits than its factorization.

312230002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12226.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 312230002 is about 17670.0311827682. The cubic root of 312230002 is about 678.4089112157.

Adding to 312230002 its reverse (200032213), we get a palindrome (512262215).

It can be divided in two parts, 3122 and 30002, that added together give a square (33124 = 1822).

The spelling of 312230002 in words is "three hundred twelve million, two hundred thirty thousand, two".

Divisors: 1 2 7 14 19 38 97 133 194 266 679 1358 1843 3686 12101 12901 24202 25802 84707 169414 229919 459838 1173797 1609433 2347594 3218866 8216579 16433158 22302143 44604286 156115001 312230002