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312630112 = 2519135107
BaseRepresentation
bin10010101000100…
…101101101100000
3210210021020220001
4102220211231200
51120013130422
651004425344
710514212024
oct2250455540
9723236801
10312630112
111505206a3
1288848254
134ca00842
142d740384
151c6a6227
hex12a25b60

312630112 has 24 divisors (see below), whose sum is σ = 615932856. Its totient is φ = 156202752.

The previous prime is 312630091. The next prime is 312630163. The reversal of 312630112 is 211036213.

It is a self number, because there is not a number n which added to its sum of digits gives 312630112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58663 + ... + 63769.

It is an arithmetic number, because the mean of its divisors is an integer number (25663869).

Almost surely, 2312630112 is an apocalyptic number.

312630112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

312630112 is a deficient number, since it is larger than the sum of its proper divisors (303302744).

312630112 is a wasteful number, since it uses less digits than its factorization.

312630112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7030 (or 7022 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 312630112 is about 17681.3492697814. The cubic root of 312630112 is about 678.6985719621.

Adding to 312630112 its reverse (211036213), we get a palindrome (523666325).

The spelling of 312630112 in words is "three hundred twelve million, six hundred thirty thousand, one hundred twelve".

Divisors: 1 2 4 8 16 32 1913 3826 5107 7652 10214 15304 20428 30608 40856 61216 81712 163424 9769691 19539382 39078764 78157528 156315056 312630112