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312628316 = 227111378079
BaseRepresentation
bin10010101000100…
…101010001011100
3210210021011102112
4102220211101130
51120013101231
651004413152
710514203550
oct2250452134
9723234375
10312628316
1115051a310
12888471b8
134c9cca90
142d73d860
151c6a592b
hex12a2545c

312628316 has 48 divisors (see below), whose sum is σ = 734576640. Its totient is φ = 112432320.

The previous prime is 312628313. The next prime is 312628331. The reversal of 312628316 is 613826213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312628313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35036 + ... + 43043.

It is an arithmetic number, because the mean of its divisors is an integer number (15303680).

Almost surely, 2312628316 is an apocalyptic number.

It is an amenable number.

312628316 is an abundant number, since it is smaller than the sum of its proper divisors (421948324).

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

312628316 is a wasteful number, since it uses less digits than its factorization.

312628316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78114 (or 78112 counting only the distinct ones).

The product of its digits is 10368, while the sum is 32.

The square root of 312628316 is about 17681.2984817292. The cubic root of 312628316 is about 678.6972722952.

The spelling of 312628316 in words is "three hundred twelve million, six hundred twenty-eight thousand, three hundred sixteen".

Divisors: 1 2 4 7 11 13 14 22 26 28 44 52 77 91 143 154 182 286 308 364 572 1001 2002 4004 78079 156158 312316 546553 858869 1015027 1093106 1717738 2030054 2186212 3435476 4060108 6012083 7105189 11165297 12024166 14210378 22330594 24048332 28420756 44661188 78157079 156314158 312628316