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312000224 = 2517475581
BaseRepresentation
bin10010100110001…
…011111011100000
3210202002020211212
4102212023323200
51114333001344
650543125252
710505646434
oct2246137340
9722066755
10312000224
11150130428
12885a3828
134c83cc23
142d6189c4
151c5ce79e
hex1298bee0

312000224 has 24 divisors (see below), whose sum is σ = 614712168. Its totient is φ = 155882880.

The previous prime is 312000223. The next prime is 312000233. The reversal of 312000224 is 422000213.

It is a junction number, because it is equal to n+sod(n) for n = 312000199 and 312000208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312000223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53114 + ... + 58694.

It is an arithmetic number, because the mean of its divisors is an integer number (25613007).

Almost surely, 2312000224 is an apocalyptic number.

It is an amenable number.

312000224 is a deficient number, since it is larger than the sum of its proper divisors (302711944).

312000224 is a wasteful number, since it uses less digits than its factorization.

312000224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7338 (or 7330 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 312000224 is about 17663.5280734059. The cubic root of 312000224 is about 678.2424509172.

Adding to 312000224 its reverse (422000213), we get a palindrome (734000437).

The spelling of 312000224 in words is "three hundred twelve million, two hundred twenty-four", and thus it is an aban number.

Divisors: 1 2 4 8 16 32 1747 3494 5581 6988 11162 13976 22324 27952 44648 55904 89296 178592 9750007 19500014 39000028 78000056 156000112 312000224